Compare 639941 vs 639997

Property	639941	639997
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639941¹	639997¹
Prime factorization	639941	639997
Divisors count	2	2
Divisors	1, 639941	1, 639997
Number of properties	4	4
Additive primes		20349th
Chen primes	20374th
Cousin primes (2nd member)	5631st
Isolated primes	40809th	40813th
Lucky primes		5977th
Primes	52070th	52074th
Roman numberals
Base 2	10011100001111000101₂	10011100001111111101₂
Base 3	1012111211112₃	1012111220121₃
Base 4	2130033011₄	2130033331₄
Base 5	130434231₅	130434442₅
Base 6	21414405₆	21414541₆
Base 7	5303501₇	5303611₇
Base 8	2341705₈	2341775₈
Base 9	1174745₉	1174817₉
Base 10	639941₁₀	639997₁₀
Base 11	3a7885₁₁	3a7926₁₁
Base 12	26a405₁₂	26a451₁₂
Base 13	195383₁₃	1953c7₁₃
Base 14	129301₁₄	129341₁₄
Base 15	c992b₁₅	c9967₁₅
Base 16	9c3c5₁₆	9c3fd₁₆