Compare 21091 vs 21101
| Property | 21091 | 21101 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 231 × 1311 | 211011 |
| Prime factorization | 7 × 23 × 131 | 21101 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 23, 131, 161, 917, 3013, 21091 | 1, 21101 |
| Number of properties | 0 | 8 |
| Additive primes | 1100th | |
| Chen primes | 1166th | |
| Happy primes | 392nd | |
| Isolated primes | 1653rd | |
| Long primes | 902nd | |
| Primes | 2372nd | |
| Pythagorean primes | 1178th | |
| Sexy primes (1st member) | 718th | |
| Roman numberals | ||
| Base 2 | 1010010011000112 | 1010010011011012 |
| Base 3 | 10012210113 | 10012211123 |
| Base 4 | 110212034 | 110212314 |
| Base 5 | 11333315 | 11334015 |
| Base 6 | 2413516 | 2414056 |
| Base 7 | 1153307 | 1153437 |
| Base 8 | 511438 | 511558 |
| Base 9 | 318349 | 318459 |
| Base 10 | 2109110 | 2110110 |
| Base 11 | 1493411 | 1494311 |
| Base 12 | 1025712 | 1026512 |
| Base 13 | 97a513 | 97b213 |
| Base 14 | 798714 | 799314 |
| Base 15 | 63b115 | 63bb15 |
| Base 16 | 526316 | 526d16 |