Compare 138238 vs 138239

Property138238138239
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 6911911382391
Prime factorization2 × 69119138239
Divisors count42
Divisors1, 2, 69119, 1382381, 138239
Number of properties15
Chen primes 5543rd
Harmonic primes 4828th
Primes 12861st
Safe primes 871st
Semiprimes31801st 
Twin primes (1st member) 1595th
Roman numberals  
Base 210000110111111111021000011011111111112
Base 3210001212213210001212223
Base 420123333242012333334
Base 5134104235134104245
Base 62543554625435556
Base 71114012711140137
Base 841577684157778
Base 923055792305589
Base 101382381013823910
Base 1194951119495211
Base 1267bba1267bbb12
Base 134abc9134abca13
Base 1438542143854314
Base 152ae5d152ae5e15
Base 1621bfe1621bff16
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