Compare 640003 vs 640009

Property	640003	640009
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	7¹ × 13² × 541¹	640009¹
Prime factorization	7 × 13 × 13 × 541	640009
Divisors count	12	2
Divisors	1, 7, 13, 91, 169, 541, 1183, 3787, 7033, 49231, 91429, 640003	1, 640009
Number of properties	0	6
Additive primes		20351st
Chen primes		20378th
Happy primes		7413th
Lucky primes		5978th
Primes		52076th
Twin primes (2nd member)		5632nd
Roman numberals
Base 2	10011100010000000011₂	10011100010000001001₂
Base 3	1012111220211₃	1012111221001₃
Base 4	2130100003₄	2130100021₄
Base 5	130440003₅	130440014₅
Base 6	21414551₆	21415001₆
Base 7	5303620₇	5303626₇
Base 8	2342003₈	2342011₈
Base 9	1174824₉	1174831₉
Base 10	640003₁₀	640009₁₀
Base 11	3a7931₁₁	3a7937₁₁
Base 12	26a457₁₂	26a461₁₂
Base 13	195400₁₃	195406₁₃
Base 14	129347₁₄	12934d₁₄
Base 15	c996d₁₅	c9974₁₅
Base 16	9c403₁₆	9c409₁₆