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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.
No great discovery was ever made without a bold guess.

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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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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.
No great discovery was ever made without a bold guess.

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

mathaholic
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Re: Let's make triangular numbers.

3240


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

bobbym
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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.
No great discovery was ever made without a bold guess.

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

mathaholic
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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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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.
No great discovery was ever made without a bold guess.

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

mathaholic
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Re: Let's make triangular numbers.

3550


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

bobbym
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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.
No great discovery was ever made without a bold guess.

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

mathaholic
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Re: Let's make triangular numbers.

3751


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

bobbym
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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.
No great discovery was ever made without a bold guess.

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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
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Posts: 105,355

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.
No great discovery was ever made without a bold guess.

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

John E. Franklin
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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
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From: Bumpkinland
Registered: 2009-04-12
Posts: 105,355

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.
No great discovery was ever made without a bold guess.

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

mathaholic
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Posts: 3,246

Re: Let's make triangular numbers.

4278


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 105,355

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.
No great discovery was ever made without a bold guess.

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

mathaholic
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From: Earth
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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: 105,355

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.
No great discovery was ever made without a bold guess.

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

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

Re: Let's make triangular numbers.

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


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 105,355

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.
No great discovery was ever made without a bold guess.

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

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

Re: Let's make triangular numbers.

4851
5000-(12^2+5)


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

bobbym
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From: Bumpkinland
Registered: 2009-04-12
Posts: 105,355

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.
No great discovery was ever made without a bold guess.

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

mathaholic
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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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