Compare 642149 vs 642157

Property642149642157
Typeprimeprime
Unique factors11
Total factors11
Prime factorization64214916421571
Prime factorization642149642157
Divisors count22
Divisors1, 6421491, 642157
Number of properties35
Chen primes20432nd 
Isolated primes 40937th
Primes52232nd52234th
Sexy primes (1st member) 11317th
Sexy primes (2nd member) 11316th
Sexy prime triplets (2nd member) 2075th
Twin primes (1st member)5649th 
Roman numberals  
Base 2100111001100011001012100111001100011011012
Base 31012121212022310121212121213
Base 42130301211421303012314
Base 513102204451310221125
Base 6214325256214325416
Base 75313104753131157
Base 82346145823461558
Base 91177768911777779
Base 106421491064215710
Base 113a9502113a950a11
Base 1226b7451226b75112
Base 131963911319639913
Base 1412a03b1412a04514
Base 15ca3ee15ca40715
Base 169cc65169cc6d16
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