Compare 21177 vs 21187
| Property | 21177 | 21187 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 131 × 1811 | 211871 |
| Prime factorization | 3 × 3 × 13 × 181 | 21187 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 13, 39, 117, 181, 543, 1629, 2353, 7059, 21177 | 1, 21187 |
| Number of properties | 0 | 7 |
| Additive primes | 1107th | |
| Cousin primes (1st member) | 361st | |
| Harmonic primes | 874th | |
| Isolated primes | 1663rd | |
| Primes | 2382nd | |
| Prime triplets (1st member) | 178th | |
| Sexy primes (1st member) | 722nd | |
| Roman numberals | ||
| Base 2 | 1010010101110012 | 1010010110000112 |
| Base 3 | 10020011003 | 10020012013 |
| Base 4 | 110223214 | 110230034 |
| Base 5 | 11342025 | 11342225 |
| Base 6 | 2420136 | 2420316 |
| Base 7 | 1155127 | 1155257 |
| Base 8 | 512718 | 513038 |
| Base 9 | 320409 | 320519 |
| Base 10 | 2117710 | 2118710 |
| Base 11 | 14a0211 | 14a1111 |
| Base 12 | 1030912 | 1031712 |
| Base 13 | 984013 | 984a13 |
| Base 14 | 7a0914 | 7a1514 |
| Base 15 | 641c15 | 642715 |
| Base 16 | 52b916 | 52c316 |