Compare 23981 vs 23989
| Property | 23981 | 23989 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 239811 | 71 × 231 × 1491 |
| Prime factorization | 23981 | 7 × 23 × 149 |
| Divisors count | 2 | 8 |
| Divisors | 1, 23981 | 1, 7, 23, 149, 161, 1043, 3427, 23989 |
| Number of properties | 10 | 0 |
| Additive primes | 1219th | |
| Centered square primes | 39th | |
| Chen primes | 1309th | |
| Cousin primes (2nd member) | 400th | |
| Isolated primes | 1864th | |
| Long primes | 1016th | |
| Primes | 2667th | |
| Pythagorean primes | 1326th | |
| Sophie germain primes | 381st | |
| Ulam primes | 197th | |
| Roman numberals | ||
| Base 2 | 1011101101011012 | 1011101101101012 |
| Base 3 | 10122200123 | 10122201113 |
| Base 4 | 113122314 | 113123114 |
| Base 5 | 12314115 | 12314245 |
| Base 6 | 3030056 | 3030216 |
| Base 7 | 1266267 | 1266407 |
| Base 8 | 566558 | 566658 |
| Base 9 | 358059 | 358149 |
| Base 10 | 2398110 | 2398910 |
| Base 11 | 1702111 | 1702911 |
| Base 12 | 11a6512 | 11a7112 |
| Base 13 | abb913 | abc413 |
| Base 14 | 8a4d14 | 8a5714 |
| Base 15 | 718b15 | 719415 |
| Base 16 | 5dad16 | 5db516 |