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

mathaholic
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Re: Let's make triangular numbers.

2926


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

bobbym
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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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

mathaholic
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Re: Let's make triangular numbers.

3081
Multiple of 3


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

bobbym
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From: Bumpkinland
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Posts: 102,845

Re: Let's make triangular numbers.

3160


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

mathaholic
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Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

3240


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

Re: Let's make triangular numbers.

3321 = 36^2 + 45^2


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

mathaholic
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From: Earth
Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

3401
Thought it's prime. sad


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

mathaholic
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Posts: 3,246

Re: Let's make triangular numbers.

3550


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

mathaholic
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From: Earth
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Posts: 3,246

Re: Let's make triangular numbers.

3751


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

bobbym
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From: Bumpkinland
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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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

John E. Franklin
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Registered: 2005-08-29
Posts: 3,588

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
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From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

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

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

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
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

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

mathaholic
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From: Earth
Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

4278


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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

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

mathaholic
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From: Earth
Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

4465


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

Re: Let's make triangular numbers.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

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


Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate
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#97 2012-12-28 11:52:18

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

Re: Let's make triangular numbers.

4753 = 28^2 + 63^2


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

4851
5000-(12^2+5)


Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate
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#99 2012-12-28 12:03:55

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 102,845

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.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

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

mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,246

Re: Let's make triangular numbers.

5050!

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


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