1. Numbers
  2. Compare 521 vs 525

Compare 521 vs 525

Property521525
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization521131 × 52 × 71
Prime factorization5213 × 5 × 5 × 7
Divisors count212
Divisors1, 5211, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525
Number of properties60
Chen primes70th 
Lucas primes8th 
Primes98th 
Pythagorean primes46th 
Solinas primes39th 
Twin primes (1st member)25th 
Roman numberalsDXXIDXXV
Base 21000001001210000011012
Base 320102232011103
Base 4200214200314
Base 54041541005
Base 62225622336
Base 71343713507
Base 81011810158
Base 963896439
Base 105211052510
Base 114341143811
Base 123751237912
Base 133111331513
Base 142931429714
Base 1524b1525015
Base 162091620d16
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