Compare 19912 vs 19921
| Property | 19912 | 19921 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 191 × 1311 | 111 × 18111 |
| Prime factorization | 2 × 2 × 2 × 19 × 131 | 11 × 1811 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 2489, 4978, 9956, 19912 | 1, 11, 1811, 19921 |
| Number of properties | 0 | 1 |
| Semiprimes | 5067th | |
| Roman numberals | ||
| Base 2 | 1001101110010002 | 1001101110100012 |
| Base 3 | 10000221113 | 10000222113 |
| Base 4 | 103130204 | 103131014 |
| Base 5 | 11141225 | 11141415 |
| Base 6 | 2321046 | 2321216 |
| Base 7 | 1120247 | 1120367 |
| Base 8 | 467108 | 467218 |
| Base 9 | 302749 | 302849 |
| Base 10 | 1991210 | 1992110 |
| Base 11 | 13a6211 | 13a7011 |
| Base 12 | b63412 | b64112 |
| Base 13 | 90a913 | 90b513 |
| Base 14 | 738414 | 738d14 |
| Base 15 | 5d7715 | 5d8115 |
| Base 16 | 4dc816 | 4dd116 |