1. Numbers
  2. Compare 11981 vs 11990

Compare 11981 vs 11990

Property1198111990
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization11981121 × 51 × 111 × 1091
Prime factorization119812 × 5 × 11 × 109
Divisors count216
Divisors1, 119811, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 11990
Number of properties70
Chen primes735th 
Emirps325th 
Isolated primes968th 
Long primes561st 
Primes1437th 
Pythagorean primes707th 
Sexy primes (1st member)462nd 
Roman numberals  
Base 2101110110011012101110110101102
Base 312110220231211100023
Base 42323031423231124
Base 534041153404305
Base 613124561313026
Base 7466347466467
Base 8273158273268
Base 9173829174029
Base 1011981101199010
Base 11900211901011
Base 126b25126b3212
Base 1355b81355c413
Base 14451b14452614
Base 15383b15384515
Base 162ecd162ed616
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