Compare 21887 vs 21890
Property | 21887 | 21890 |
---|---|---|
Type | semiprime | composite number |
Unique factors | 2 | 4 |
Total factors | 2 | 4 |
Prime factorization | 431 × 5091 | 21 × 51 × 111 × 1991 |
Prime factorization | 43 × 509 | 2 × 5 × 11 × 199 |
Divisors count | 4 | 16 |
Divisors | 1, 43, 509, 21887 | 1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890 |
Number of properties | 1 | 0 |
Semiprimes | 5526th | |
Roman numberals | ||
Base 2 | 1010101011111112 | 1010101100000102 |
Base 3 | 10100001223 | 10100002023 |
Base 4 | 111113334 | 111120024 |
Base 5 | 12000225 | 12000305 |
Base 6 | 2451556 | 2452026 |
Base 7 | 1205457 | 1205517 |
Base 8 | 525778 | 526028 |
Base 9 | 330189 | 330229 |
Base 10 | 2188710 | 2189010 |
Base 11 | 1549811 | 154a011 |
Base 12 | 107bb12 | 1080212 |
Base 13 | 9c6813 | 9c6b13 |
Base 14 | 7d9514 | 7d9814 |
Base 15 | 674215 | 674515 |
Base 16 | 557f16 | 558216 |