Compare 21101 vs 21187
| Property | 21101 | 21187 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211011 | 211871 |
| Prime factorization | 21101 | 21187 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21101 | 1, 21187 |
| Number of properties | 8 | 7 |
| Additive primes | 1100th | 1107th |
| Chen primes | 1166th | |
| Cousin primes (1st member) | 361st | |
| Happy primes | 392nd | |
| Harmonic primes | 874th | |
| Isolated primes | 1653rd | 1663rd |
| Long primes | 902nd | |
| Primes | 2372nd | 2382nd |
| Prime triplets (1st member) | 178th | |
| Pythagorean primes | 1178th | |
| Sexy primes (1st member) | 718th | 722nd |
| Roman numberals | ||
| Base 2 | 1010010011011012 | 1010010110000112 |
| Base 3 | 10012211123 | 10020012013 |
| Base 4 | 110212314 | 110230034 |
| Base 5 | 11334015 | 11342225 |
| Base 6 | 2414056 | 2420316 |
| Base 7 | 1153437 | 1155257 |
| Base 8 | 511558 | 513038 |
| Base 9 | 318459 | 320519 |
| Base 10 | 2110110 | 2118710 |
| Base 11 | 1494311 | 14a1111 |
| Base 12 | 1026512 | 1031712 |
| Base 13 | 97b213 | 984a13 |
| Base 14 | 799314 | 7a1514 |
| Base 15 | 63bb15 | 642715 |
| Base 16 | 526d16 | 52c316 |