1. Numbers
  2. Compare 18121 vs 18128

Compare 18121 vs 18128

Property1812118128
Typeprimecomposite number
Unique factors13
Total factors16
Prime factorization18121124 × 111 × 1031
Prime factorization181212 × 2 × 2 × 2 × 11 × 103
Divisors count220
Divisors1, 181211, 2, 4, 8, 11, 16, 22, 44, 88, 103, 176, 206, 412, 824, 1133, 1648, 2266, 4532, 9064, 18128
Number of properties70
Additive primes975th 
Harmonic primes751st 
Primes2076th 
Pythagorean primes1025th 
Sexy primes (1st member)640th 
Sexy prime triplets (1st member)178th 
Twin primes (2nd member)319th 
Roman numberals  
Base 210001101100100121000110110100002
Base 322021201132202121023
Base 4101230214101231004
Base 51034441510400035
Base 621552162155326
Base 710355571035657
Base 8433118433208
Base 9267649267729
Base 1018121101812810
Base 1112684111269011
Base 12a5a112a5a812
Base 13832c13833613
Base 14686514686c14
Base 15558115558815
Base 1646c91646d016
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