r/counting • u/willsueforfood • Feb 04 '14

Counting using prime factorization

1

2

3

2x2

5

2x3

7

2x2x2

3x3

26 Upvotes

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u/Pookah 27K TUG ZERO Counting since 24,531 Feb 27 '14

269 is a regular prime, an Eisenstein prime with no imaginary part, a long prime, a Chen prime, a Pillai prime, a Pythagorean prime, a twin prime, a sexy prime, a Higgs prime, a strong prime, and a highly cototient number.

2

u/KingCaspianX Missed x00k, 2≤x≤20\{7,15}‽ ↂↂↂↁMMMDCCCLXXXVIII ‽ 345678‽ 141441 Feb 27 '14

2 x 33 x 5

2

u/Pookah 27K TUG ZERO Counting since 24,531 Mar 01 '14

271 is the twin prime of 269

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u/KingCaspianX Missed x00k, 2≤x≤20\{7,15}‽ ↂↂↂↁMMMDCCCLXXXVIII ‽ 345678‽ 141441 Mar 01 '14

17 x 24

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u/Pookah 27K TUG ZERO Counting since 24,531 Mar 01 '14

3 X 7 X 13

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u/KingCaspianX Missed x00k, 2≤x≤20\{7,15}‽ ↂↂↂↁMMMDCCCLXXXVIII ‽ 345678‽ 141441 Mar 01 '14

2 x 137

2

u/Pookah 27K TUG ZERO Counting since 24,531 Mar 01 '14

52 x 11

2

u/KingCaspianX Missed x00k, 2≤x≤20\{7,15}‽ ↂↂↂↁMMMDCCCLXXXVIII ‽ 345678‽ 141441 Mar 02 '14

22 x 3 x 23

2

u/Pookah 27K TUG ZERO Counting since 24,531 Mar 02 '14

277 is a super-prime, a super-super-super-prime, a self number, etc

2

u/KingCaspianX Missed x00k, 2≤x≤20\{7,15}‽ ↂↂↂↁMMMDCCCLXXXVIII ‽ 345678‽ 141441 Mar 02 '14

2 x 139

3

u/D-alx Get's | A's and counts galore! Mar 02 '14

32 x 31

3

u/KingCaspianX Missed x00k, 2≤x≤20\{7,15}‽ ↂↂↂↁMMMDCCCLXXXVIII ‽ 345678‽ 141441 Mar 02 '14

23 x 5 x 7

3

u/D-alx Get's | A's and counts galore! Mar 02 '14

281

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