Compare 639997 vs 640229

Property	639997	640229
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639997¹	640229¹
Prime factorization	639997	640229
Divisors count	2	2
Divisors	1, 639997	1, 640229
Number of properties	4	5
Additive primes	20349th	20361st
Chen primes		20387th
Isolated primes	40813th
Lucky primes	5977th
Primes	52074th	52095th
Sexy primes (2nd member)		11287th
Twin primes (1st member)		5634th
Roman numberals
Base 2	10011100001111111101₂	10011100010011100101₂
Base 3	1012111220121₃	1012112020012₃
Base 4	2130033331₄	2130103211₄
Base 5	130434442₅	130441404₅
Base 6	21414541₆	21420005₆
Base 7	5303611₇	5304362₇
Base 8	2341775₈	2342345₈
Base 9	1174817₉	1175205₉
Base 10	639997₁₀	640229₁₀
Base 11	3a7926₁₁	3a8017₁₁
Base 12	26a451₁₂	26a605₁₂
Base 13	1953c7₁₃	195545₁₃
Base 14	129341₁₄	129469₁₄
Base 15	c9967₁₅	c9a6e₁₅
Base 16	9c3fd₁₆	9c4e5₁₆