Compare 648991 vs 649001

Property	648991	649001
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	7¹ × 23¹ × 29¹ × 139¹	649001¹
Prime factorization	7 × 23 × 29 × 139	649001
Divisors count	16	2
Divisors	1, 7, 23, 29, 139, 161, 203, 667, 973, 3197, 4031, 4669, 22379, 28217, 92713, 648991	1, 649001
Number of properties	0	5
Chen primes		20630th
Cousin primes (2nd member)		5691st
Isolated primes		41351st
Primes		52748th
Sexy primes (1st member)		11413th
Roman numberals
Base 2	10011110011100011111₂	10011110011100101001₂
Base 3	1012222020201₃	1012222021002₃
Base 4	2132130133₄	2132130221₄
Base 5	131231431₅	131232001₅
Base 6	21524331₆	21524345₆
Base 7	5342050₇	5342063₇
Base 8	2363437₈	2363451₈
Base 9	1188221₉	1188232₉
Base 10	648991₁₀	649001₁₀
Base 11	403662₁₁	403671₁₁
Base 12	2736a7₁₂	2736b5₁₂
Base 13	199525₁₃	199532₁₃
Base 14	12c727₁₄	12c733₁₄
Base 15	cc461₁₅	cc46b₁₅
Base 16	9e71f₁₆	9e729₁₆