Compare 639945 vs 639949

Property	639945	639949
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	3² × 5¹ × 14221¹	639949¹
Prime factorization	3 × 3 × 5 × 14221	639949
Divisors count	12	2
Divisors	1, 3, 5, 9, 15, 45, 14221, 42663, 71105, 127989, 213315, 639945	1, 639949
Number of properties	0	3
Isolated primes		40810th
Primes		52071st
Ulam primes		3816th
Roman numberals
Base 2	10011100001111001001₂	10011100001111001101₂
Base 3	1012111211200₃	1012111211211₃
Base 4	2130033021₄	2130033031₄
Base 5	130434240₅	130434244₅
Base 6	21414413₆	21414421₆
Base 7	5303505₇	5303512₇
Base 8	2341711₈	2341715₈
Base 9	1174750₉	1174754₉
Base 10	639945₁₀	639949₁₀
Base 11	3a7889₁₁	3a7892₁₁
Base 12	26a409₁₂	26a411₁₂
Base 13	195387₁₃	19538b₁₃
Base 14	129305₁₄	129309₁₄
Base 15	c9930₁₅	c9934₁₅
Base 16	9c3c9₁₆	9c3cd₁₆