1. Numbers
  2. Compare 19421 vs 201821

Compare 19421 vs 201821

Property19421201821
Typeprimeprime
Unique factors11
Total factors11
Prime factorization1942112018211
Prime factorization19421201821
Divisors count22
Divisors1, 194211, 201821
Number of properties1810
Additive primes1021st 
Chen primes1088th7581st
Cousin primes (2nd member)340th 
Emirps605th 
Good primes254th 
Happy primes371st 
Long primes838th6796th
Primes2199th18129th
Prime quadruplets (1st member)19th54th
Prime quintuplet 1s (2nd member)8th 
Prime quintuplet 2s (1st member)6th15th
Prime sextuplets (2nd member)4th 
Prime triplets (1st member)165th844th
Prime triplets (2nd member)164th 
Pythagorean primes1091st9050th
Sexy primes (1st member)672nd4326th
Sexy prime triplets (1st member)185th870th
Twin primes (1st member)333rd2172nd
Roman numberals  
Base 210010111101110121100010100010111012
Base 322212202231010202112123
Base 41023313143011011314
Base 511101415224242415
Base 6225525641542056
Base 7110423715002547
Base 84573586121358
Base 92856893367559
Base 10194211020182110
Base 1113656111286a411
Base 12b2a5129896512
Base 138abc1370b2913
Base 147113145379b14
Base 155b4b153ebeb15
Base 164bdd163145d16
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