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## #26 2010-02-01 11:44:37

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

### Re: Add 13 more and post it forever.

Neat !  Here's a wacky one:
338
338
338 = 19.5 x 19.5 - (6.5 x 6.5)
338
338

igloo myrtilles fourmis

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## #27 2010-02-01 14:47:33

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

6^2 + 6^2 + 6^2 + 9^2 + 9^2 + 9^2

and 3 + 5 + 1 = 9

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #28 2010-02-01 15:46:04

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,594

### Re: Add 13 more and post it forever.

364 = 111111 in base 3

"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson

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## #29 2010-02-02 07:44:43

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

377

Sum of 2 nice squares.

4^2 + 19^2 = 377 and 11^2 + 16^2 = 377

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #30 2010-02-03 06:04:59

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

### Re: Add 13 more and post it forever.

390
390
390
390
390

igloo myrtilles fourmis

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## #31 2010-02-03 16:30:21

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

403

Interesting 13 * 31 = 403

7^2 + 7^2 + 7^2 + 16^2 = 403

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #32 2010-02-04 10:58:48

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

### Re: Add 13 more and post it forever.

416
416
416
416
416
Note the post #32 is the multiplier.  32 times 13 is 416

igloo myrtilles fourmis

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## #33 2010-02-04 14:34:18

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

Yes, good to notice that! Amazingly, the next one 429 is 13 times the post # also.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #34 2010-02-05 07:51:00

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

### Re: Add 13 more and post it forever.

442
442
442
442
442

igloo myrtilles fourmis

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## #35 2010-02-05 09:03:21

MathsIsFun
Registered: 2005-01-21
Posts: 7,684

### Re: Add 13 more and post it forever.

455: The year the Ostrogoths  conquer Pannonia and Dalmatia (according to Wikipedia).

(Sorry, noemi, I deleted your post because it broke the chain.)

"The physicists defer only to mathematicians, and the mathematicians defer only to God ..."  - Leon M. Lederman

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## #36 2010-02-05 09:26:12

noemi
Member
Registered: 2010-01-07
Posts: 2,333

### Re: Add 13 more and post it forever.

468

Proverbs 4 (choose wisdom)
6Forsake her not, and she shall preserve thee: love her, and she shall keep thee
8Exalt her, and she shall promote thee: she shall bring thee to honour, when thou dost embrace her.

it's ok MathsIsFun.. sorry for taking the liberty

Last edited by noemi (2010-02-05 09:28:54)

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## #37 2010-02-05 10:43:31

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

481

This one is not the sum of any number of positive cubes, incredible!

But, the sum of the digits is 13.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #38 2010-02-05 10:54:25

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

### Re: Add 13 more and post it forever.

494
494
494
494
494

igloo myrtilles fourmis

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## #39 2010-02-05 13:39:22

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

507

The sum of 8 different squares:

2^2 + 4^2 + 5^2 + 6^2 + 7^2 + 9^2 + 10^2 + 14^2 = 507

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #40 2010-02-05 14:16:53

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

### Re: Add 13 more and post it forever.

520
520
520=(2)(2)(2)(5)(13)
520
520

igloo myrtilles fourmis

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## #41 2010-02-06 07:44:51

quittyqat
Member
Registered: 2009-04-08
Posts: 1,213

### Re: Add 13 more and post it forever.

I'll be here at least once every month. XP

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## #42 2010-02-06 13:50:25

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

546

It is the mean of 2 happy numbers, amazing!

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #43 2010-02-06 13:57:14

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

### Re: Add 13 more and post it forever.

559
559
559=(13)(43)
559
559

Last edited by John E. Franklin (2010-02-06 13:57:57)

igloo myrtilles fourmis

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## #44 2010-02-07 01:13:20

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

572

Sum of eight squares:

1^2 + 2^2 + 3^2 + 4^2 + 5^2 + 6^2 + 15^2 + 16^2 = 572

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #45 2010-02-07 05:09:11

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

### Re: Add 13 more and post it forever.

585
585
585
585
585

igloo myrtilles fourmis

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## #46 2010-02-07 14:36:16

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

598

Sum of 6 cubes.

1^3 + 1^3 + 4^3 + 4^3 + 5^3 + 7^3 = 598

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #47 2010-02-08 04:51:47

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

### Re: Add 13 more and post it forever.

611
611
611 = 102 + 204 + 305
611
611

Last edited by John E. Franklin (2010-02-08 04:52:33)

igloo myrtilles fourmis

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## #48 2010-02-08 04:59:00

Devantè
Real Member
Registered: 2006-07-14
Posts: 6,400

### Re: Add 13 more and post it forever.

624 = 2[sup]4[/sup] + 2[sup]5[/sup] + 2[sup]6[/sup] + 2[sup]9[/sup]

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## #49 2010-02-08 05:06:13

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Add 13 more and post it forever.

637 = 5^3 + 8^3

637 = 2^3 + 2^3 + 4^3 + 5^3 + 6^3 + 6^3

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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## #50 2010-02-08 05:08:42

Devantè
Real Member
Registered: 2006-07-14
Posts: 6,400

### Re: Add 13 more and post it forever.

650 = 8[sup]3[/sup] + 2[sup]7[/sup] + 2[sup]3[/sup] + 4[sup]½[/sup]

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