Compare 172205 vs 172213
| Property | 172205 | 172213 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 111 × 311 × 1011 | 1722131 |
| Prime factorization | 5 × 11 × 31 × 101 | 172213 |
| Divisors count | 16 | 2 |
| Divisors | 1, 5, 11, 31, 55, 101, 155, 341, 505, 1111, 1705, 3131, 5555, 15655, 34441, 172205 | 1, 172213 |
| Number of properties | 0 | 8 |
| Cousin primes (1st member) | 1886th | |
| Happy primes | 2428th | |
| Isolated primes | 11889th | |
| Primes | 15684th | |
| Prime triplets (1st member) | 743rd | |
| Pythagorean primes | 7822nd | |
| Sexy primes (1st member) | 3785th | |
| Ulam primes | 1124th | |
| Roman numberals | ||
| Base 2 | 1010100000101011012 | 1010100000101101012 |
| Base 3 | 222020122223 | 222020200213 |
| Base 4 | 2220022314 | 2220023114 |
| Base 5 | 210023105 | 210023235 |
| Base 6 | 34051256 | 34051416 |
| Base 7 | 13150257 | 13150367 |
| Base 8 | 5202558 | 5202658 |
| Base 9 | 2821889 | 2822079 |
| Base 10 | 17220510 | 17221310 |
| Base 11 | 10842011 | 10842811 |
| Base 12 | 837a512 | 837b112 |
| Base 13 | 604c713 | 6050213 |
| Base 14 | 46a8514 | 46a8d14 |
| Base 15 | 3605515 | 3605d15 |
| Base 16 | 2a0ad16 | 2a0b516 |