1. Numbers
  2. Compare 21 vs 22

Compare 21 vs 22

Property2122
Typesemiprimesemiprime
Unique factors22
Total factors22
Prime factorization31 × 7121 × 111
Prime factorization3 × 72 × 11
Divisors count44
Divisors1, 3, 7, 211, 2, 11, 22
Number of properties11
Semiprimes7th8th
Roman numberalsXXIXXII
Base 2101012101102
Base 321032113
Base 411141124
Base 5415425
Base 6336346
Base 7307317
Base 8258268
Base 9239249
Base 1021102210
Base 111a112011
Base 1219121a12
Base 1318131913
Base 1417141814
Base 1516151715
Base 1615161616
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