Compare 638994 vs 638999

Property	638994	638999
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 3¹ × 281¹ × 379¹	638999¹
Prime factorization	2 × 3 × 281 × 379	638999
Divisors count	16	2
Divisors	1, 2, 3, 6, 281, 379, 562, 758, 843, 1137, 1686, 2274, 106499, 212998, 319497, 638994	1, 638999
Number of properties	0	4
Isolated primes		40755th
Primes		52002nd
Safe primes		3013th
Sexy primes (2nd member)		11268th
Roman numberals
Base 2	10011100000000010010₂	10011100000000010111₂
Base 3	1012110112110₃	1012110112122₃
Base 4	2130000102₄	2130000113₄
Base 5	130421434₅	130421444₅
Base 6	21410150₆	21410155₆
Base 7	5300646₇	5300654₇
Base 8	2340022₈	2340027₈
Base 9	1173473₉	1173478₉
Base 10	638994₁₀	638999₁₀
Base 11	3a70a4₁₁	3a70a9₁₁
Base 12	269956₁₂	26995b₁₂
Base 13	194b05₁₃	194b0a₁₃
Base 14	128c26₁₄	128c2b₁₄
Base 15	c94e9₁₅	c94ee₁₅
Base 16	9c012₁₆	9c017₁₆