Compare 661978 vs 661990

Property	661978	661990
Type	composite number	composite number
Unique factors	3	4
Total factors	3	6
Prime factorization	2¹ × 479¹ × 691¹	2¹ × 5¹ × 7³ × 193¹
Prime factorization	2 × 479 × 691	2 × 5 × 7 × 7 × 7 × 193
Divisors count	8	32
Divisors	1, 2, 479, 691, 958, 1382, 330989, 661978	1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 193, 245, 343, 386, 490, 686, 965, 1351, 1715, 1930, 2702, 3430, 6755, 9457, 13510, 18914, 47285, 66199, 94570, 132398, 330995, 661990
Number of properties	0	0
Roman numberals
Base 2	10100001100111011010₂	10100001100111100110₂
Base 3	1020122001201₃	1020122002011₃
Base 4	2201213122₄	2201213212₄
Base 5	132140403₅	132140430₅
Base 6	22104414₆	22104434₆
Base 7	5424652₇	5425000₇
Base 8	2414732₈	2414746₈
Base 9	1218051₉	1218064₉
Base 10	661978₁₀	661990₁₀
Base 11	412399₁₁	4123aa₁₁
Base 12	27b10a₁₂	27b11a₁₂
Base 13	1a2405₁₃	1a2414₁₃
Base 14	133362₁₄	133370₁₄
Base 15	d121d₁₅	d122a₁₅
Base 16	a19da₁₆	a19e6₁₆