1. Numbers
  2. Compare 13121 vs 13128

Compare 13121 vs 13128

Property1312113128
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization13121123 × 31 × 5471
Prime factorization131212 × 2 × 2 × 3 × 547
Divisors count216
Divisors1, 131211, 2, 3, 4, 6, 8, 12, 24, 547, 1094, 1641, 2188, 3282, 4376, 6564, 13128
Number of properties70
Chen primes791st 
Class 1+ primes27th 
Isolated primes1066th 
Pierpont primes of the 2nd kind27th 
Primes1561st 
Pythagorean primes774th 
Sexy primes (1st member)502nd 
Roman numberals  
Base 2110011010000012110011010010002
Base 312222222232000000203
Base 43031001430310204
Base 540444154100035
Base 614042561404406
Base 7531537531637
Base 8315018315108
Base 9188889200069
Base 1013121101312810
Base 11994911995511
Base 12771512772012
Base 135c84135c8b13
Base 144ad3144ada14
Base 153d4b153d5315
Base 16334116334816
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