Compare 30490 vs 30491
| Property | 30490 | 30491 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 30491 | 304911 |
| Prime factorization | 2 × 5 × 3049 | 30491 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 3049, 6098, 15245, 30490 | 1, 30491 |
| Number of properties | 0 | 10 |
| Additive primes | 1490th | |
| Chen primes | 1573rd | |
| Emirps | 642nd | |
| Good primes | 326th | |
| Harmonic primes | 1228th | |
| Long primes | 1250th | |
| Primes | 3291st | |
| Prime triplets (1st member) | 227th | |
| Sexy primes (1st member) | 963rd | |
| Twin primes (1st member) | 474th | |
| Roman numberals | ||
| Base 2 | 1110111000110102 | 1110111000110112 |
| Base 3 | 11122110213 | 11122110223 |
| Base 4 | 131301224 | 131301234 |
| Base 5 | 14334305 | 14334315 |
| Base 6 | 3530546 | 3530556 |
| Base 7 | 1546157 | 1546167 |
| Base 8 | 734328 | 734338 |
| Base 9 | 457379 | 457389 |
| Base 10 | 3049010 | 3049110 |
| Base 11 | 209a911 | 209aa11 |
| Base 12 | 1578a12 | 1578b12 |
| Base 13 | 10b5513 | 10b5613 |
| Base 14 | b17c14 | b17d14 |
| Base 15 | 907a15 | 907b15 |
| Base 16 | 771a16 | 771b16 |