Compare 639487 vs 642869

Property	639487	642869
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639487¹	642869¹
Prime factorization	639487	642869
Divisors count	2	2
Divisors	1, 639487	1, 642869
Number of properties	7	4
Additive primes	20335th
Chen primes		20449th
Cousin primes (1st member)	5627th
Good primes	1982nd	1992nd
Isolated primes	40783rd
Primes	52034th	52278th
Prime triplets (1st member)	2060th
Sexy primes (1st member)	11276th
Twin primes (1st member)		5655th
Roman numberals
Base 2	10011100000111111111₂	10011100111100110101₂
Base 3	1012111012201₃	1012122211222₃
Base 4	2130013333₄	2130330311₄
Base 5	130430422₅	131032434₅
Base 6	21412331₆	21440125₆
Base 7	5302252₇	5315153₇
Base 8	2340777₈	2347465₈
Base 9	1174181₉	1178758₉
Base 10	639487₁₀	642869₁₀
Base 11	3a7502₁₁	3a9aa7₁₁
Base 12	26a0a7₁₂	270045₁₂
Base 13	1950c4₁₃	1967c6₁₃
Base 14	129099₁₄	12a3d3₁₄
Base 15	c9727₁₅	ca72e₁₅
Base 16	9c1ff₁₆	9cf35₁₆