Compare 661945 vs 661949

Property	661945	661949
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	5¹ × 41¹ × 3229¹	661949¹
Prime factorization	5 × 41 × 3229	661949
Divisors count	8	2
Divisors	1, 5, 41, 205, 3229, 16145, 132389, 661945	1, 661949
Number of properties	0	4
Chen primes		21008th
Primes		53713th
Sophie germain primes		5461st
Twin primes (1st member)		5795th
Roman numberals
Base 2	10100001100110111001₂	10100001100110111101₂
Base 3	1020122000111₃	1020122000122₃
Base 4	2201212321₄	2201212331₄
Base 5	132140240₅	132140244₅
Base 6	22104321₆	22104325₆
Base 7	5424604₇	5424611₇
Base 8	2414671₈	2414675₈
Base 9	1218014₉	1218018₉
Base 10	661945₁₀	661949₁₀
Base 11	412369₁₁	412372₁₁
Base 12	27b0a1₁₂	27b0a5₁₂
Base 13	1a23ab₁₃	1a23b2₁₃
Base 14	13333b₁₄	133341₁₄
Base 15	d11ea₁₅	d11ee₁₅
Base 16	a19b9₁₆	a19bd₁₆