Compare 639907 vs 640049

Property	639907	640049
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639907¹	640049¹
Prime factorization	639907	640049
Divisors count	2	2
Divisors	1, 639907	1, 640049
Number of properties	5	5
Additive primes		20354th
Cousin primes (1st member)	5630th
Good primes	1985th
Isolated primes	40806th	40818th
Primes	52067th	52081st
Sexy primes (2nd member)		11285th
Super primes	5325th	5327th
Roman numberals
Base 2	10011100001110100011₂	10011100010000110001₂
Base 3	1012111210021₃	1012111222112₃
Base 4	2130032203₄	2130100301₄
Base 5	130434112₅	130440144₅
Base 6	21414311₆	21415105₆
Base 7	5303422₇	5304014₇
Base 8	2341643₈	2342061₈
Base 9	1174707₉	1174875₉
Base 10	639907₁₀	640049₁₀
Base 11	3a7854₁₁	3a7973₁₁
Base 12	26a397₁₂	26a495₁₂
Base 13	195358₁₃	195437₁₃
Base 14	1292b9₁₄	12937b₁₄
Base 15	c9907₁₅	c999e₁₅
Base 16	9c3a3₁₆	9c431₁₆