Compare 12812 vs 12821

Property1281212821
Typecomposite numberprime
Unique factors21
Total factors31
Prime factorization22 × 32031128211
Prime factorization2 × 2 × 320312821
Divisors count62
Divisors1, 2, 4, 3203, 6406, 128121, 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 2110010000011002110010000101012
Base 312212011231221202123
Base 43020030430201114
Base 540222254022415
Base 613515261352056
Base 7522327522447
Base 8310148310258
Base 9185159185259
Base 1012812101282110
Base 1196981196a611
Base 1274b812750512
Base 135aa7135ab313
Base 14495214495b14
Base 153be2153beb15
Base 16320c16321516
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