Compare 2520 vs 2521
| Property | 2520 | 2521 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 23 × 32 × 51 × 71 | 25211 |
| Prime factorization | 2 × 2 × 2 × 3 × 3 × 5 × 7 | 2521 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520 | 1, 2521 |
| Number of properties | 0 | 6 |
| Centered square primes | 18th | |
| Good primes | 71st | |
| Harmonic primes | 138th | |
| Isolated primes | 226th | |
| Primes | 369th | |
| Pythagorean primes | 181st | |
| Roman numberals | MMDXX | MMDXXI |
| Base 2 | 1001110110002 | 1001110110012 |
| Base 3 | 101101003 | 101101013 |
| Base 4 | 2131204 | 2131214 |
| Base 5 | 400405 | 400415 |
| Base 6 | 154006 | 154016 |
| Base 7 | 102307 | 102317 |
| Base 8 | 47308 | 47318 |
| Base 9 | 34109 | 34119 |
| Base 10 | 252010 | 252110 |
| Base 11 | 199111 | 199211 |
| Base 12 | 156012 | 156112 |
| Base 13 | 11bb13 | 11bc13 |
| Base 14 | cc014 | cc114 |
| Base 15 | b3015 | b3115 |
| Base 16 | 9d816 | 9d916 |