Compare 638992 vs 638999

Property	638992	638999
Type	composite number	prime
Unique factors	2	1
Total factors	5	1
Prime factorization	2⁴ × 39937¹	638999¹
Prime factorization	2 × 2 × 2 × 2 × 39937	638999
Divisors count	10	2
Divisors	1, 2, 4, 8, 16, 39937, 79874, 159748, 319496, 638992	1, 638999
Number of properties	0	4
Isolated primes		40755th
Primes		52002nd
Safe primes		3013th
Sexy primes (2nd member)		11268th
Roman numberals
Base 2	10011100000000010000₂	10011100000000010111₂
Base 3	1012110112101₃	1012110112122₃
Base 4	2130000100₄	2130000113₄
Base 5	130421432₅	130421444₅
Base 6	21410144₆	21410155₆
Base 7	5300644₇	5300654₇
Base 8	2340020₈	2340027₈
Base 9	1173471₉	1173478₉
Base 10	638992₁₀	638999₁₀
Base 11	3a70a2₁₁	3a70a9₁₁
Base 12	269954₁₂	26995b₁₂
Base 13	194b03₁₃	194b0a₁₃
Base 14	128c24₁₄	128c2b₁₄
Base 15	c94e7₁₅	c94ee₁₅
Base 16	9c010₁₆	9c017₁₆