1. Numbers
  2. Compare 12820 vs 12821

Compare 12820 vs 12821

Property1282012821
Typecomposite numberprime
Unique factors31
Total factors41
Prime factorization22 × 51 × 6411128211
Prime factorization2 × 2 × 5 × 64112821
Divisors count122
Divisors1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 128201, 12821
Number of properties08
Chen primes 776th
Harmonic primes 547th
Long primes 594th
Palindromic primes 28th
Primes 1528th
Pythagorean primes 757th
Sophie germain primes 232nd
Twin primes (1st member) 245th
Roman numberals  
Base 2110010000101002110010000101012
Base 312212021131221202123
Base 43020110430201114
Base 540224054022415
Base 613520461352056
Base 7522437522447
Base 8310248310258
Base 9185249185259
Base 1012820101282110
Base 1196a51196a611
Base 12750412750512
Base 135ab2135ab313
Base 14495a14495b14
Base 153bea153beb15
Base 16321416321516
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