Compare 201285 vs 201287
| Property | 201285 | 201287 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 34 × 51 × 71 × 711 | 2012871 |
| Prime factorization | 3 × 3 × 3 × 3 × 5 × 7 × 71 | 201287 |
| Divisors count | 40 | 2 |
| Divisors | 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 81, 105, 135, 189, 213, 315, 355, 405, 497, 567, 639, 945, 1065, 1491, 1917, 2485, 2835, 3195, 4473, 5751, 7455, 9585, 13419, 22365, 28755, 40257, 67095, 201285 | 1, 201287 |
| Number of properties | 0 | 6 |
| Harmonic primes | 6792nd | |
| Isolated primes | 13753rd | |
| Long primes | 6779th | |
| Primes | 18084th | |
| Sexy primes (2nd member) | 4317th | |
| Ulam primes | 1294th | |
| Roman numberals | ||
| Base 2 | 1100010010010001012 | 1100010010010001112 |
| Base 3 | 1010200100003 | 1010200100023 |
| Base 4 | 3010210114 | 3010210134 |
| Base 5 | 224201205 | 224201225 |
| Base 6 | 41515136 | 41515156 |
| Base 7 | 14655607 | 14655627 |
| Base 8 | 6111058 | 6111078 |
| Base 9 | 3361009 | 3361029 |
| Base 10 | 20128510 | 20128710 |
| Base 11 | 12825711 | 12825911 |
| Base 12 | 9859912 | 9859b12 |
| Base 13 | 7080613 | 7080813 |
| Base 14 | 534d714 | 534d914 |
| Base 15 | 3e99015 | 3e99215 |
| Base 16 | 3124516 | 3124716 |