Compare 639997 vs 640049

Property	639997	640049
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639997¹	640049¹
Prime factorization	639997	640049
Divisors count	2	2
Divisors	1, 639997	1, 640049
Number of properties	4	5
Additive primes	20349th	20354th
Isolated primes	40813th	40818th
Lucky primes	5977th
Primes	52074th	52081st
Sexy primes (2nd member)		11285th
Super primes		5327th
Roman numberals
Base 2	10011100001111111101₂	10011100010000110001₂
Base 3	1012111220121₃	1012111222112₃
Base 4	2130033331₄	2130100301₄
Base 5	130434442₅	130440144₅
Base 6	21414541₆	21415105₆
Base 7	5303611₇	5304014₇
Base 8	2341775₈	2342061₈
Base 9	1174817₉	1174875₉
Base 10	639997₁₀	640049₁₀
Base 11	3a7926₁₁	3a7973₁₁
Base 12	26a451₁₂	26a495₁₂
Base 13	1953c7₁₃	195437₁₃
Base 14	129341₁₄	12937b₁₄
Base 15	c9967₁₅	c999e₁₅
Base 16	9c3fd₁₆	9c431₁₆