Compare 638161 vs 638170

Property	638161	638170
Type	prime	composite number
Unique factors	1	4
Total factors	1	4
Prime factorization	638161¹	2¹ × 5¹ × 13¹ × 4909¹
Prime factorization	638161	2 × 5 × 13 × 4909
Divisors count	2	16
Divisors	1, 638161	1, 2, 5, 10, 13, 26, 65, 130, 4909, 9818, 24545, 49090, 63817, 127634, 319085, 638170
Number of properties	3	0
Lucky primes	5964th
Primes	51954th
Twin primes (2nd member)	5622nd
Roman numberals
Base 2	10011011110011010001₂	10011011110011011010₂
Base 3	1012102101121₃	1012102101221₃
Base 4	2123303101₄	2123303122₄
Base 5	130410121₅	130410140₅
Base 6	21402241₆	21402254₆
Base 7	5265346₇	5265361₇
Base 8	2336321₈	2336332₈
Base 9	1172347₉	1172357₉
Base 10	638161₁₀	638170₁₀
Base 11	3a6507₁₁	3a6515₁₁
Base 12	269381₁₂	26938a₁₂
Base 13	194614₁₃	194620₁₃
Base 14	1287cd₁₄	1287d8₁₄
Base 15	c9141₁₅	c914a₁₅
Base 16	9bcd1₁₆	9bcda₁₆