Compare 138157 vs 138166
| Property | 138157 | 138166 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 1381571 | 21 × 71 × 711 × 1391 |
| Prime factorization | 138157 | 2 × 7 × 71 × 139 |
| Divisors count | 2 | 16 |
| Divisors | 1, 138157 | 1, 2, 7, 14, 71, 139, 142, 278, 497, 973, 994, 1946, 9869, 19738, 69083, 138166 |
| Number of properties | 5 | 0 |
| Harmonic primes | 4827th | |
| Isolated primes | 9669th | |
| Primes | 12854th | |
| Pythagorean primes | 6399th | |
| Sexy primes (1st member) | 3172nd | |
| Roman numberals | ||
| Base 2 | 1000011011101011012 | 1000011011101101102 |
| Base 3 | 210001112213 | 210001120213 |
| Base 4 | 2012322314 | 2012323124 |
| Base 5 | 134101125 | 134101315 |
| Base 6 | 25433416 | 25433546 |
| Base 7 | 11135357 | 11135507 |
| Base 8 | 4156558 | 4156668 |
| Base 9 | 2304579 | 2304679 |
| Base 10 | 13815710 | 13816610 |
| Base 11 | 9488811 | 9489611 |
| Base 12 | 67b5112 | 67b5a12 |
| Base 13 | 4ab6613 | 4ab7213 |
| Base 14 | 384c514 | 384d014 |
| Base 15 | 2ae0715 | 2ae1115 |
| Base 16 | 21bad16 | 21bb616 |