Compare 2011 vs 2020
| Property | 2011 | 2020 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 20111 | 22 × 51 × 1011 |
| Prime factorization | 2011 | 2 × 2 × 5 × 101 |
| Divisors count | 2 | 12 |
| Divisors | 1, 2011 | 1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020 |
| Number of properties | 4 | 0 |
| Harmonic primes | 113th | |
| Isolated primes | 184th | |
| Primes | 305th | |
| Sexy primes (1st member) | 130th | |
| Roman numberals | MMXI | MMXX |
| Base 2 | 111110110112 | 111111001002 |
| Base 3 | 22021113 | 22022113 |
| Base 4 | 1331234 | 1332104 |
| Base 5 | 310215 | 310405 |
| Base 6 | 131516 | 132046 |
| Base 7 | 56027 | 56147 |
| Base 8 | 37338 | 37448 |
| Base 9 | 26749 | 26849 |
| Base 10 | 201110 | 202010 |
| Base 11 | 156911 | 157711 |
| Base 12 | 11b712 | 120412 |
| Base 13 | bb913 | bc513 |
| Base 14 | a3914 | a4414 |
| Base 15 | 8e115 | 8ea15 |
| Base 16 | 7db16 | 7e416 |