Compare 391216 vs 391217
| Property | 391216 | 391217 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 72 × 4991 | 3912171 |
| Prime factorization | 2 × 2 × 2 × 2 × 7 × 7 × 499 | 391217 |
| Divisors count | 30 | 2 |
| Divisors | 1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 499, 784, 998, 1996, 3493, 3992, 6986, 7984, 13972, 24451, 27944, 48902, 55888, 97804, 195608, 391216 | 1, 391217 |
| Number of properties | 0 | 4 |
| Additive primes | 13129th | |
| Chen primes | 13415th | |
| Primes | 33166th | |
| Twin primes (1st member) | 3733rd | |
| Roman numberals | ||
| Base 2 | 10111111000001100002 | 10111111000001100012 |
| Base 3 | 2012121221113 | 2012121221123 |
| Base 4 | 11332003004 | 11332003014 |
| Base 5 | 1000043315 | 1000043325 |
| Base 6 | 122151046 | 122151056 |
| Base 7 | 32164007 | 32164017 |
| Base 8 | 13740608 | 13740618 |
| Base 9 | 6555749 | 6555759 |
| Base 10 | 39121610 | 39121710 |
| Base 11 | 247a2111 | 247a2211 |
| Base 12 | 16a49412 | 16a49512 |
| Base 13 | 1090b713 | 1090b813 |
| Base 14 | a280014 | a280114 |
| Base 15 | 7adb115 | 7adb215 |
| Base 16 | 5f83016 | 5f83116 |