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## #76 2012-12-24 13:52:32

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

2926

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #77 2012-12-24 21:13:34

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

3003 another palindrome and my favorite binomial.

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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## #78 2012-12-24 21:15:58

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

3081
Multiple of 3

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #79 2012-12-24 21:29:42

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

3160

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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## #80 2012-12-24 22:14:12

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

3240

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #81 2012-12-24 22:19:04

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

3321 = 36^2 + 45^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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## #82 2012-12-25 12:10:29

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

3401
Thought it's prime.

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #83 2012-12-25 20:45:32

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

3486 = 10^2 + 19^2 + 55^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #84 2012-12-25 20:47:51

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

3550

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #85 2012-12-25 20:57:53

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

3655 = 2(9^3) + 13^3

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #86 2012-12-26 11:50:08

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

3751

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #87 2012-12-26 19:57:03

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

3828=25^2+2 x 29^2+39^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #88 2012-12-27 03:09:54

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,582

### Re: Let's make triangular numbers.

3916
3828 + post88 = 3916
post88 x 89 / 2 = 3916

igloo myrtilles fourmis

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## #89 2012-12-27 04:35:03

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

4095 = 27^2 + 2 x 31^2 + 38^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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## #90 2012-12-27 05:14:02

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,582

### Re: Let's make triangular numbers.

4005 (skipped) and 4095
4005 + post90 = 4095
90 x 91 / 2 = 4095

igloo myrtilles fourmis

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## #91 2012-12-27 05:28:18

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

4186 = 28^2 + 29^2 + 31^2 + 40^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #92 2012-12-27 12:33:24

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

4278

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #93 2012-12-27 12:36:00

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

4371 = 2 x 29^2 + 33^2 + 40^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #94 2012-12-27 16:34:36

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

4465

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #95 2012-12-28 07:17:11

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #96 2012-12-28 11:48:02

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

4656
70^2-(16^2-10)

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #97 2012-12-28 11:52:18

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

4753 = 28^2 + 63^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #98 2012-12-28 11:57:02

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

4851
5000-(12^2+5)

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

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## #99 2012-12-28 12:03:55

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,753

### Re: Let's make triangular numbers.

4950 =2 x 35^2 + 50^2

In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

## #100 2012-12-28 16:44:37

mathaholic
Member
From: Juliania
Registered: 2012-11-29
Posts: 2,895
Website

### Re: Let's make triangular numbers.

5050!

Last edited by julianthemath (2012-12-28 16:45:11)

"What is the square root of 2? 1.4141592653589793238" Seriously, I thought it was that. Too round?
3.141592653589793238...

Offline