Compare 638977 vs 638983

Property	638977	638983
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	638977¹	139¹ × 4597¹
Prime factorization	638977	139 × 4597
Divisors count	2	4
Divisors	1, 638977	1, 139, 4597, 638983
Number of properties	5	1
Isolated primes	40753rd
Lucky primes	5967th
Primes	52000th
Proth primes	194th
Semiprimes		136924th
Sexy primes (2nd member)	11267th
Roman numberals
Base 2	10011100000000000001₂	10011100000000000111₂
Base 3	1012110111211₃	1012110112001₃
Base 4	2130000001₄	2130000013₄
Base 5	130421402₅	130421413₅
Base 6	21410121₆	21410131₆
Base 7	5300623₇	5300632₇
Base 8	2340001₈	2340007₈
Base 9	1173454₉	1173461₉
Base 10	638977₁₀	638983₁₀
Base 11	3a7089₁₁	3a7094₁₁
Base 12	269941₁₂	269947₁₂
Base 13	194ac1₁₃	194ac7₁₃
Base 14	128c13₁₄	128c19₁₄
Base 15	c94d7₁₅	c94dd₁₅
Base 16	9c001₁₆	9c007₁₆