Compare 639941 vs 639942

Property639941639942
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization639941121 × 31 × 1066571
Prime factorization6399412 × 3 × 106657
Divisors count28
Divisors1, 6399411, 2, 3, 6, 106657, 213314, 319971, 639942
Number of properties40
Chen primes20374th 
Cousin primes (2nd member)5631st 
Isolated primes40809th 
Primes52070th 
Roman numberals  
Base 2100111000011110001012100111000011110001102
Base 31012111211112310121112111203
Base 42130033011421300330124
Base 513043423151304342325
Base 6214144056214144106
Base 75303501753035027
Base 82341705823417068
Base 91174745911747469
Base 106399411063994210
Base 113a7885113a788611
Base 1226a4051226a40612
Base 131953831319538413
Base 141293011412930214
Base 15c992b15c992c15
Base 169c3c5169c3c616
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