1. Numbers
  2. Compare 221219 vs 221228

Compare 221219 vs 221228

Property221219221228
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization221219122 × 71 × 79011
Prime factorization2212192 × 2 × 7 × 7901
Divisors count212
Divisors1, 2212191, 2, 4, 7, 14, 28, 7901, 15802, 31604, 55307, 110614, 221228
Number of properties70
Additive primes7977th 
Harmonic primes7398th 
Isolated primes15037th 
Long primes7380th 
Primes19714th 
Safe primes1272nd 
Sophie germain primes2236th 
Roman numberals  
Base 211011000000010001121101100000001011002
Base 310202011002231020201101223
Base 431200020343120002304
Base 5240343345240344035
Base 64424055644241126
Base 71610645716106607
Base 866004386600548
Base 936640893664189
Base 102212191022122810
Base 111412291114123711
Base 12a802b12a803812
Base 13798cb137990713
Base 145a895145a8a014
Base 154582e154583815
Base 1636023163602c16
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