1. Numbers
  2. Compare 39981 vs 39989

Compare 39981 vs 39989

Property3998139989
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization31 × 133271399891
Prime factorization3 × 1332739989
Divisors count42
Divisors1, 3, 13327, 399811, 39989
Number of properties18
Emirps 980th
Harmonic primes 1567th
Isolated primes 3022nd
Long primes 1587th
Primes 4203rd
Pythagorean primes 2085th
Semiprimes9786th 
Sexy primes (2nd member) 1194th
Sophie germain primes 565th
Roman numberals  
Base 21001110000101101210011100001101012
Base 32000211210320002120023
Base 4213002314213003114
Base 52234411522344245
Base 650503365050456
Base 722436472244057
Base 811605581160658
Base 9607539607629
Base 1039981103998910
Base 1128047112805411
Base 121b179121b18512
Base 1315276131528113
Base 14107db141080514
Base 15bca615bcae15
Base 169c2d169c3516
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