Compare 639599 vs 640247

Property	639599	640247
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639599¹	640247¹
Prime factorization	639599	640247
Divisors count	2	2
Divisors	1, 639599	1, 640247
Number of properties	5	5
Additive primes	20340th	20362nd
Chen primes	20361st	20388th
Happy primes	7407th
Primes	52045th	52097th
Twin primes (1st member)	5628th	5635th
Ulam primes		3818th
Roman numberals
Base 2	10011100001001101111₂	10011100010011110111₂
Base 3	1012111100212₃	1012112020212₃
Base 4	2130021233₄	2130103313₄
Base 5	130431344₅	130441442₅
Base 6	21413035₆	21420035₆
Base 7	5302502₇	5304416₇
Base 8	2341157₈	2342367₈
Base 9	1174325₉	1175225₉
Base 10	639599₁₀	640247₁₀
Base 11	3a75a4₁₁	3a8033₁₁
Base 12	26a17b₁₂	26a61b₁₂
Base 13	19517c₁₃	19555a₁₃
Base 14	129139₁₄	12947d₁₄
Base 15	c979e₁₅	c9a82₁₅
Base 16	9c26f₁₆	9c4f7₁₆