Compare 101981 vs 101987
| Property | 101981 | 101987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 111 × 731 × 1271 | 1019871 |
| Prime factorization | 11 × 73 × 127 | 101987 |
| Divisors count | 8 | 2 |
| Divisors | 1, 11, 73, 127, 803, 1397, 9271, 101981 | 1, 101987 |
| Number of properties | 0 | 5 |
| Chen primes | 4298th | |
| Emirps | 1697th | |
| Isolated primes | 7288th | |
| Primes | 9765th | |
| Safe primes | 682nd | |
| Roman numberals | ||
| Base 2 | 110001110010111012 | 110001110011000112 |
| Base 3 | 120112200023 | 120112200223 |
| Base 4 | 1203211314 | 1203212034 |
| Base 5 | 112304115 | 112304225 |
| Base 6 | 21040456 | 21040556 |
| Base 7 | 6032157 | 6032247 |
| Base 8 | 3071358 | 3071438 |
| Base 9 | 1648029 | 1648089 |
| Base 10 | 10198110 | 10198710 |
| Base 11 | 6a69011 | 6a69611 |
| Base 12 | 4b02512 | 4b02b12 |
| Base 13 | 3755913 | 3756213 |
| Base 14 | 2924514 | 2924b14 |
| Base 15 | 2033b15 | 2034215 |
| Base 16 | 18e5d16 | 18e6316 |