Compare 209987 vs 210019
| Property | 209987 | 210019 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2099871 | 2100191 |
| Prime factorization | 209987 | 210019 |
| Divisors count | 2 | 2 |
| Divisors | 1, 209987 | 1, 210019 |
| Number of properties | 4 | 3 |
| Additive primes | 7584th | |
| Cousin primes (2nd member) | 2225th | |
| Harmonic primes | 7041st | |
| Isolated primes | 14302nd | 14304th |
| Primes | 18807th | 18809th |
| Roman numberals | ||
| Base 2 | 1100110100010000112 | 1100110100011000112 |
| Base 3 | 1012000010223 | 1012000021113 |
| Base 4 | 3031010034 | 3031012034 |
| Base 5 | 232044225 | 232100345 |
| Base 6 | 43000556 | 43001516 |
| Base 7 | 15331317 | 15332057 |
| Base 8 | 6321038 | 6321438 |
| Base 9 | 3500389 | 3500749 |
| Base 10 | 20998710 | 21001910 |
| Base 11 | 13384811 | 13387711 |
| Base 12 | a162b12 | a165712 |
| Base 13 | 7476b13 | 7479413 |
| Base 14 | 5675114 | 5677514 |
| Base 15 | 4234215 | 4236415 |
| Base 16 | 3344316 | 3346316 |