Compare 638999 vs 642407

Property	638999	642407
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	638999¹	642407¹
Prime factorization	638999	642407
Divisors count	2	2
Divisors	1, 638999	1, 642407
Number of properties	4	6
Additive primes		20422nd
Chen primes		20437th
Cousin primes (2nd member)		5643rd
Isolated primes	40755th	40949th
Primes	52002nd	52250th
Safe primes	3013th	3025th
Sexy primes (2nd member)	11268th
Roman numberals
Base 2	10011100000000010111₂	10011100110101100111₂
Base 3	1012110112122₃	1012122012212₃
Base 4	2130000113₄	2130311213₄
Base 5	130421444₅	131024112₅
Base 6	21410155₆	21434035₆
Base 7	5300654₇	5313623₇
Base 8	2340027₈	2346547₈
Base 9	1173478₉	1178185₉
Base 10	638999₁₀	642407₁₀
Base 11	3a70a9₁₁	3a9717₁₁
Base 12	26995b₁₂	26b91b₁₂
Base 13	194b0a₁₃	19652c₁₃
Base 14	128c2b₁₄	12a183₁₄
Base 15	c94ee₁₅	ca522₁₅
Base 16	9c017₁₆	9cd67₁₆