Compare 661949 vs 661960

Property	661949	661960
Type	prime	composite number
Unique factors	1	5
Total factors	1	7
Prime factorization	661949¹	2³ × 5¹ × 13¹ × 19¹ × 67¹
Prime factorization	661949	2 × 2 × 2 × 5 × 13 × 19 × 67
Divisors count	2	64
Divisors	1, 661949	1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 67, 76, 95, 104, 130, 134, 152, 190, 247, 260, 268, 335, 380, 494, 520, 536, 670, 760, 871, 988, 1235, 1273, 1340, 1742, 1976, 2470, 2546, 2680, 3484, 4355, 4940, 5092, 6365, 6968, 8710, 9880, 10184, 12730, 16549, 17420, 25460, 33098, 34840, 50920, 66196, 82745, 132392, 165490, 330980, 661960
Number of properties	4	0
Chen primes	21008th
Primes	53713th
Sophie germain primes	5461st
Twin primes (1st member)	5795th
Roman numberals
Base 2	10100001100110111101₂	10100001100111001000₂
Base 3	1020122000122₃	1020122001001₃
Base 4	2201212331₄	2201213020₄
Base 5	132140244₅	132140320₅
Base 6	22104325₆	22104344₆
Base 7	5424611₇	5424625₇
Base 8	2414675₈	2414710₈
Base 9	1218018₉	1218031₉
Base 10	661949₁₀	661960₁₀
Base 11	412372₁₁	412382₁₁
Base 12	27b0a5₁₂	27b0b4₁₂
Base 13	1a23b2₁₃	1a23c0₁₃
Base 14	133341₁₄	13334c₁₄
Base 15	d11ee₁₅	d120a₁₅
Base 16	a19bd₁₆	a19c8₁₆