Compare 221214 vs 221219
| Property | 221214 | 221219 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 21 × 31 × 71 × 231 × 2291 | 2212191 |
| Prime factorization | 2 × 3 × 7 × 23 × 229 | 221219 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 229, 322, 458, 483, 687, 966, 1374, 1603, 3206, 4809, 5267, 9618, 10534, 15801, 31602, 36869, 73738, 110607, 221214 | 1, 221219 |
| Number of properties | 0 | 7 |
| Additive primes | 7977th | |
| Harmonic primes | 7398th | |
| Isolated primes | 15037th | |
| Long primes | 7380th | |
| Primes | 19714th | |
| Safe primes | 1272nd | |
| Sophie germain primes | 2236th | |
| Roman numberals | ||
| Base 2 | 1101100000000111102 | 1101100000001000112 |
| Base 3 | 1020201100103 | 1020201100223 |
| Base 4 | 3120001324 | 3120002034 |
| Base 5 | 240343245 | 240343345 |
| Base 6 | 44240506 | 44240556 |
| Base 7 | 16106407 | 16106457 |
| Base 8 | 6600368 | 6600438 |
| Base 9 | 3664039 | 3664089 |
| Base 10 | 22121410 | 22121910 |
| Base 11 | 14122411 | 14122911 |
| Base 12 | a802612 | a802b12 |
| Base 13 | 798c613 | 798cb13 |
| Base 14 | 5a89014 | 5a89514 |
| Base 15 | 4582915 | 4582e15 |
| Base 16 | 3601e16 | 3602316 |