Compare 642007 vs 642013

Property	642007	642013
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	181¹ × 3547¹	642013¹
Prime factorization	181 × 3547	642013
Divisors count	4	2
Divisors	1, 181, 3547, 642007	1, 642013
Number of properties	1	2
Primes		52224th
Semiprimes	137551st
Twin primes (2nd member)		5647th
Roman numberals
Base 2	10011100101111010111₂	10011100101111011101₂
Base 3	1012121200001₃	1012121200021₃
Base 4	2130233113₄	2130233131₄
Base 5	131021012₅	131021023₅
Base 6	21432131₆	21432141₆
Base 7	5312512₇	5312521₇
Base 8	2345727₈	2345735₈
Base 9	1177601₉	1177607₉
Base 10	642007₁₀	642013₁₀
Base 11	3a9393₁₁	3a9399₁₁
Base 12	26b647₁₂	26b651₁₂
Base 13	1962b2₁₃	1962b8₁₃
Base 14	129d79₁₄	129d81₁₄
Base 15	ca357₁₅	ca35d₁₅
Base 16	9cbd7₁₆	9cbdd₁₆