Compare 838 vs 840

Property	838	840
Type	semiprime	composite number
Unique factors	2	4
Total factors	2	6
Prime factorization	2¹ × 419¹	2³ × 3¹ × 5¹ × 7¹
Prime factorization	2 × 419	2 × 2 × 2 × 3 × 5 × 7
Divisors count	4	32
Divisors	1, 2, 419, 838	1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
Number of properties	1	0
Semiprimes	252nd
Roman numberals	DCCCXXXVIII	DCCCXL
Base 2	1101000110₂	1101001000₂
Base 3	1011001₃	1011010₃
Base 4	31012₄	31020₄
Base 5	11323₅	11330₅
Base 6	3514₆	3520₆
Base 7	2305₇	2310₇
Base 8	1506₈	1510₈
Base 9	1131₉	1133₉
Base 10	838₁₀	840₁₀
Base 11	6a2₁₁	6a4₁₁
Base 12	59a₁₂	5a0₁₂
Base 13	4c6₁₃	4c8₁₃
Base 14	43c₁₄	440₁₄
Base 15	3ad₁₅	3b0₁₅
Base 16	346₁₆	348₁₆