Compare 639719 vs 640009

Property	639719	640009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639719¹	640009¹
Prime factorization	639719	640009
Divisors count	2	2
Divisors	1, 639719	1, 640009
Number of properties	4	6
Additive primes		20351st
Chen primes	20366th	20378th
Happy primes		7413th
Isolated primes	40799th
Lucky primes		5978th
Primes	52058th	52076th
Sexy primes (2nd member)	11282nd
Twin primes (2nd member)		5632nd
Roman numberals
Base 2	10011100001011100111₂	10011100010000001001₂
Base 3	1012111112022₃	1012111221001₃
Base 4	2130023213₄	2130100021₄
Base 5	130432334₅	130440014₅
Base 6	21413355₆	21415001₆
Base 7	5303033₇	5303626₇
Base 8	2341347₈	2342011₈
Base 9	1174468₉	1174831₉
Base 10	639719₁₀	640009₁₀
Base 11	3a76a3₁₁	3a7937₁₁
Base 12	26a25b₁₂	26a461₁₂
Base 13	195242₁₃	195406₁₃
Base 14	1291c3₁₄	12934d₁₄
Base 15	c982e₁₅	c9974₁₅
Base 16	9c2e7₁₆	9c409₁₆