Compare 640147 vs 640153

Property640147640153
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization2771 × 231116401531
Prime factorization277 × 2311640153
Divisors count42
Divisors1, 277, 2311, 6401471, 640153
Number of properties13
Additive primes 20358th
Primes 52090th
Semiprimes137172nd 
Twin primes (2nd member) 5633rd
Roman numberals  
Base 2100111000100100100112100111000100100110012
Base 31012112010011310121120101013
Base 42130102103421301021214
Base 513044104251304411035
Base 6214153516214154016
Base 75304214753042237
Base 82342223823422318
Base 91175104911751119
Base 106401471064015310
Base 113a7a52113a7a5811
Base 1226a5571226a56112
Base 131954b1131954b713
Base 1412940b1412941314
Base 15c9a1715c9a1d15
Base 169c493169c49916
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