1. Numbers
  2. Compare 11981 vs 11989

Compare 11981 vs 11989

Property1198111989
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization119811191 × 6311
Prime factorization1198119 × 631
Divisors count24
Divisors1, 119811, 19, 631, 11989
Number of properties71
Chen primes735th 
Emirps325th 
Isolated primes968th 
Long primes561st 
Primes1437th 
Pythagorean primes707th 
Semiprimes 3128th
Sexy primes (1st member)462nd 
Roman numberals  
Base 2101110110011012101110110101012
Base 312110220231211100013
Base 42323031423231114
Base 534041153404245
Base 613124561313016
Base 7466347466457
Base 8273158273258
Base 9173829174019
Base 1011981101198910
Base 11900211900a11
Base 126b25126b3112
Base 1355b81355c313
Base 14451b14452514
Base 15383b15384415
Base 162ecd162ed516
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