Compare 639983 vs 640229

Property	639983	640229
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639983¹	640229¹
Prime factorization	639983	640229
Divisors count	2	2
Divisors	1, 639983	1, 640229
Number of properties	4	5
Additive primes		20361st
Chen primes	20376th	20387th
Happy primes	7412th
Isolated primes	40812th
Primes	52073rd	52095th
Sexy primes (2nd member)		11287th
Twin primes (1st member)		5634th
Roman numberals
Base 2	10011100001111101111₂	10011100010011100101₂
Base 3	1012111220002₃	1012112020012₃
Base 4	2130033233₄	2130103211₄
Base 5	130434413₅	130441404₅
Base 6	21414515₆	21420005₆
Base 7	5303561₇	5304362₇
Base 8	2341757₈	2342345₈
Base 9	1174802₉	1175205₉
Base 10	639983₁₀	640229₁₀
Base 11	3a7913₁₁	3a8017₁₁
Base 12	26a43b₁₂	26a605₁₂
Base 13	1953b6₁₃	195545₁₃
Base 14	129331₁₄	129469₁₄
Base 15	c9958₁₅	c9a6e₁₅
Base 16	9c3ef₁₆	9c4e5₁₆