Compare 640247 vs 641549

Property	640247	641549
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640247¹	641549¹
Prime factorization	640247	641549
Divisors count	2	2
Divisors	1, 640247	1, 641549
Number of properties	5	6
Additive primes	20362nd	20399th
Chen primes	20388th	20418th
Primes	52097th	52189th
Sophie germain primes		5320th
Super primes		5337th
Twin primes (1st member)	5635th	5642nd
Ulam primes	3818th
Roman numberals
Base 2	10011100010011110111₂	10011100101000001101₂
Base 3	1012112020212₃	1012121001002₃
Base 4	2130103313₄	2130220031₄
Base 5	130441442₅	131012144₅
Base 6	21420035₆	21430045₆
Base 7	5304416₇	5311256₇
Base 8	2342367₈	2345015₈
Base 9	1175225₉	1177032₉
Base 10	640247₁₀	641549₁₀
Base 11	3a8033₁₁	3a9007₁₁
Base 12	26a61b₁₂	26b325₁₂
Base 13	19555a₁₃	19601c₁₃
Base 14	12947d₁₄	129b2d₁₄
Base 15	c9a82₁₅	ca14e₁₅
Base 16	9c4f7₁₆	9ca0d₁₆