1. Numbers
  2. Compare 19421 vs 72221

Compare 19421 vs 72221

Property1942172221
Typeprimeprime
Unique factors11
Total factors11
Prime factorization194211722211
Prime factorization1942172221
Divisors count22
Divisors1, 194211, 72221
Number of properties1810
Additive primes1021st 
Chen primes1088th3259th
Cousin primes (2nd member)340th 
Emirps605th1053rd
Good primes254th 
Happy primes371st 
Harmonic primes 2700th
Long primes838th2720th
Primes2199th7147th
Prime quadruplets (1st member)19th31st
Prime quintuplet 1s (2nd member)8th 
Prime quintuplet 2s (1st member)6th 
Prime sextuplets (2nd member)4th 
Prime triplets (1st member)165th395th
Prime triplets (2nd member)164th 
Pythagorean primes1091st3559th
Sexy primes (1st member)672nd1877th
Sexy prime triplets (1st member)185th 
Twin primes (1st member)333rd935th
Roman numberals  
Base 21001011110111012100011010000111012
Base 32221220223102000012123
Base 41023313141012201314
Base 51110141543023415
Base 6225525613142056
Base 711042374203627
Base 84573582150358
Base 92856891200559
Base 1019421107222110
Base 1113656114a29611
Base 12b2a5123596512
Base 138abc1326b4613
Base 147113141c46914
Base 155b4b15165eb15
Base 164bdd1611a1d16
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