Compare 639701 vs 640949

Property	639701	640949
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639701¹	640949¹
Prime factorization	639701	640949
Divisors count	2	2
Divisors	1, 639701	1, 640949
Number of properties	6	5
Chen primes	20365th
Cousin primes (2nd member)	5628th
Happy primes	7408th	7420th
Isolated primes		40871st
Primes	52055th	52146th
Prime triplets (2nd member)	2061st
Sexy primes (2nd member)		11299th
Sophie germain primes		5314th
Twin primes (1st member)	5630th
Roman numberals
Base 2	10011100001011010101₂	10011100011110110101₂
Base 3	1012111111122₃	1012120012212₃
Base 4	2130023111₄	2130132311₄
Base 5	130432301₅	131002244₅
Base 6	21413325₆	21423205₆
Base 7	5303006₇	5306441₇
Base 8	2341325₈	2343665₈
Base 9	1174448₉	1176185₉
Base 10	639701₁₀	640949₁₀
Base 11	3a7687₁₁	3a8611₁₁
Base 12	26a245₁₂	26ab05₁₂
Base 13	19522a₁₃	19597a₁₃
Base 14	1291ad₁₄	129821₁₄
Base 15	c981b₁₅	c9d9e₁₅
Base 16	9c2d5₁₆	9c7b5₁₆