1. Numbers
  2. Compare 2157 vs 2161

Compare 2157 vs 2161

Property21572161
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization31 × 719121611
Prime factorization3 × 7192161
Divisors count42
Divisors1, 3, 719, 21571, 2161
Number of properties13
Isolated primes 193rd
Primes 326th
Pythagorean primes 159th
Semiprimes615th 
Roman numberalsMMCLVIIMMCLXI
Base 210000110110121000011100012
Base 32221220322220013
Base 420123142013014
Base 5321125321215
Base 6135536140016
Base 76201762057
Base 84155841618
Base 92856928619
Base 10215710216110
Base 11169111169511
Base 1212b912130112
Base 13c9c13ca313
Base 14b0114b0514
Base 1598c1599115
Base 1686d1687116
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