Compare 161921 vs 162143
| Property | 161921 | 162143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1619211 | 1621431 |
| Prime factorization | 161921 | 162143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 161921 | 1, 162143 |
| Number of properties | 5 | 7 |
| Additive primes | 6095th | |
| Chen primes | 6329th | 6338th |
| Harmonic primes | 5564th | 5576th |
| Isolated primes | 11219th | |
| Long primes | 5549th | |
| Primes | 14844th | 14862nd |
| Pythagorean primes | 7400th | |
| Safe primes | 986th | |
| Twin primes (1st member) | 1821st | |
| Roman numberals | ||
| Base 2 | 1001111000100000012 | 1001111001010111112 |
| Base 3 | 220200100023 | 220201020223 |
| Base 4 | 2132020014 | 2132111334 |
| Base 5 | 201401415 | 201420335 |
| Base 6 | 32453456 | 32503556 |
| Base 7 | 12430347 | 12435027 |
| Base 8 | 4742018 | 4745378 |
| Base 9 | 2661029 | 2663689 |
| Base 10 | 16192110 | 16214310 |
| Base 11 | 10072111 | 10090311 |
| Base 12 | 7985512 | 799bb12 |
| Base 13 | 5891613 | 58a5713 |
| Base 14 | 4301b14 | 4313914 |
| Base 15 | 32e9b15 | 3309815 |
| Base 16 | 2788116 | 2795f16 |