1. Numbers
  2. Compare 21220 vs 21221

Compare 21220 vs 21221

Property2122021221
Typecomposite numberprime
Unique factors31
Total factors41
Prime factorization22 × 51 × 10611212211
Prime factorization2 × 2 × 5 × 106121221
Divisors count122
Divisors1, 2, 4, 5, 10, 20, 1061, 2122, 4244, 5305, 10610, 212201, 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 210100101110010021010010111001012
Base 31002002221310020022223
Base 4110232104110232114
Base 51134340511343415
Base 624212462421256
Base 711560371156047
Base 8513448513458
Base 9320879320889
Base 1021220102122110
Base 1114a411114a4211
Base 1210344121034512
Base 13987413987513
Base 147a3a147a3b14
Base 15644a15644b15
Base 1652e41652e516
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