Compare 661941 vs 661949

Property	661941	661949
Type	composite number	prime
Unique factors	4	1
Total factors	6	1
Prime factorization	3² × 7² × 19¹ × 79¹	661949¹
Prime factorization	3 × 3 × 7 × 7 × 19 × 79	661949
Divisors count	36	2
Divisors	1, 3, 7, 9, 19, 21, 49, 57, 63, 79, 133, 147, 171, 237, 399, 441, 553, 711, 931, 1197, 1501, 1659, 2793, 3871, 4503, 4977, 8379, 10507, 11613, 13509, 31521, 34839, 73549, 94563, 220647, 661941	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	10100001100110110101₂	10100001100110111101₂
Base 3	1020122000100₃	1020122000122₃
Base 4	2201212311₄	2201212331₄
Base 5	132140231₅	132140244₅
Base 6	22104313₆	22104325₆
Base 7	5424600₇	5424611₇
Base 8	2414665₈	2414675₈
Base 9	1218010₉	1218018₉
Base 10	661941₁₀	661949₁₀
Base 11	412365₁₁	412372₁₁
Base 12	27b099₁₂	27b0a5₁₂
Base 13	1a23a7₁₃	1a23b2₁₃
Base 14	133337₁₄	133341₁₄
Base 15	d11e6₁₅	d11ee₁₅
Base 16	a19b5₁₆	a19bd₁₆