1. Numbers
  2. Compare 28813 vs 28820

Compare 28813 vs 28820

Property2881328820
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization28813122 × 51 × 111 × 1311
Prime factorization288132 × 2 × 5 × 11 × 131
Divisors count224
Divisors1, 288131, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 14410, 28820
Number of properties60
Cousin primes (1st member)457th 
Cuban primes 219th 
Isolated primes2223rd 
Primes3138th 
Pythagorean primes1560th 
Sexy primes (2nd member)923rd 
Roman numberals  
Base 211100001000110121110000100101002
Base 31110112011311101121023
Base 4130020314130021104
Base 51410223514102405
Base 634122163412326
Base 715000171500117
Base 8702158702248
Base 9434649434729
Base 1028813102882010
Base 111a714111a72011
Base 1214811121481812
Base 1310165131016c13
Base 14a70114a70814
Base 15880d15881515
Base 16708d16709416
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