Compare 9920 vs 9929
| Property | 9920 | 9929 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 8 | 1 |
| Prime factorization | 26 × 51 × 311 | 99291 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 | 9929 |
| Divisors count | 28 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920 | 1, 9929 |
| Number of properties | 0 | 7 |
| Additive primes | 587th | |
| Chen primes | 631st | |
| Harmonic primes | 446th | |
| Primes | 1224th | |
| Pythagorean primes | 606th | |
| Sexy primes (2nd member) | 410th | |
| Twin primes (1st member) | 205th | |
| Roman numberals | ||
| Base 2 | 100110110000002 | 100110110010012 |
| Base 3 | 1111211023 | 1111212023 |
| Base 4 | 21230004 | 21230214 |
| Base 5 | 3041405 | 3042045 |
| Base 6 | 1135326 | 1135456 |
| Base 7 | 406317 | 406437 |
| Base 8 | 233008 | 233118 |
| Base 9 | 145429 | 145529 |
| Base 10 | 992010 | 992910 |
| Base 11 | 74a911 | 750711 |
| Base 12 | 58a812 | 58b512 |
| Base 13 | 469113 | 469a13 |
| Base 14 | 388814 | 389314 |
| Base 15 | 2e1515 | 2e1e15 |
| Base 16 | 26c016 | 26c916 |