Compare 639701 vs 640499

Property	639701	640499
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639701¹	640499¹
Prime factorization	639701	640499
Divisors count	2	2
Divisors	1, 639701	1, 640499
Number of properties	6	4
Chen primes	20365th	20392nd
Cousin primes (2nd member)	5628th
Happy primes	7408th	7418th
Isolated primes		40843rd
Primes	52055th	52114th
Prime triplets (2nd member)	2061st
Twin primes (1st member)	5630th
Roman numberals
Base 2	10011100001011010101₂	10011100010111110011₂
Base 3	1012111111122₃	1012112121012₃
Base 4	2130023111₄	2130113303₄
Base 5	130432301₅	130443444₅
Base 6	21413325₆	21421135₆
Base 7	5303006₇	5305226₇
Base 8	2341325₈	2342763₈
Base 9	1174448₉	1175535₉
Base 10	639701₁₀	640499₁₀
Base 11	3a7687₁₁	3a8242₁₁
Base 12	26a245₁₂	26a7ab₁₂
Base 13	19522a₁₃	1956c2₁₃
Base 14	1291ad₁₄	1295bd₁₄
Base 15	c981b₁₅	c9b9e₁₅
Base 16	9c2d5₁₆	9c5f3₁₆