Compare 17920 vs 17921
| Property | 17920 | 17921 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 11 | 1 |
| Prime factorization | 29 × 51 × 71 | 179211 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 | 17921 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920 | 1, 17921 |
| Number of properties | 0 | 5 |
| Chen primes | 1021st | |
| Primes | 2054th | |
| Proth primes | 51st | |
| Pythagorean primes | 1012th | |
| Twin primes (1st member) | 313th | |
| Roman numberals | ||
| Base 2 | 1000110000000002 | 1000110000000012 |
| Base 3 | 2201202013 | 2201202023 |
| Base 4 | 101200004 | 101200014 |
| Base 5 | 10331405 | 10331415 |
| Base 6 | 2145446 | 2145456 |
| Base 7 | 1031507 | 1031517 |
| Base 8 | 430008 | 430018 |
| Base 9 | 265219 | 265229 |
| Base 10 | 1792010 | 1792110 |
| Base 11 | 1251111 | 1251211 |
| Base 12 | a45412 | a45512 |
| Base 13 | 820613 | 820713 |
| Base 14 | 676014 | 676114 |
| Base 15 | 549a15 | 549b15 |
| Base 16 | 460016 | 460116 |