1. Numbers
  2. Compare 21210 vs 21221

Compare 21210 vs 21221

Property2121021221
Typecomposite numberprime
Unique factors51
Total factors51
Prime factorization21 × 31 × 51 × 71 × 1011212211
Prime factorization2 × 3 × 5 × 7 × 10121221
Divisors count322
Divisors1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 1010, 1414, 1515, 2121, 3030, 3535, 4242, 7070, 10605, 212101, 21221
Number of properties06
Chen primes 1172nd
Isolated primes 1665th
Primes 2386th
Pythagorean primes 1184th
Sexy primes (1st member) 723rd
Sophie germain primes 346th
Roman numberals  
Base 210100101101101021010010111001012
Base 31002002120310020022223
Base 4110231224110232114
Base 51134320511343415
Base 624211062421256
Base 711556071156047
Base 8513328513458
Base 9320769320889
Base 1021210102122110
Base 1114a321114a4211
Base 1210336121034512
Base 13986713987513
Base 147a30147a3b14
Base 15644015644b15
Base 1652da1652e516
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