Compare 661943 vs 661949

Property	661943	661949
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	31¹ × 131¹ × 163¹	661949¹
Prime factorization	31 × 131 × 163	661949
Divisors count	8	2
Divisors	1, 31, 131, 163, 4061, 5053, 21353, 661943	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	10100001100110110111₂	10100001100110111101₂
Base 3	1020122000102₃	1020122000122₃
Base 4	2201212313₄	2201212331₄
Base 5	132140233₅	132140244₅
Base 6	22104315₆	22104325₆
Base 7	5424602₇	5424611₇
Base 8	2414667₈	2414675₈
Base 9	1218012₉	1218018₉
Base 10	661943₁₀	661949₁₀
Base 11	412367₁₁	412372₁₁
Base 12	27b09b₁₂	27b0a5₁₂
Base 13	1a23a9₁₃	1a23b2₁₃
Base 14	133339₁₄	133341₁₄
Base 15	d11e8₁₅	d11ee₁₅
Base 16	a19b7₁₆	a19bd₁₆