Compare 21990 vs 21993

Property	21990	21993
Type	composite number	semiprime
Unique factors	4	2
Total factors	4	2
Prime factorization	2¹ × 3¹ × 5¹ × 733¹	3¹ × 7331¹
Prime factorization	2 × 3 × 5 × 733	3 × 7331
Divisors count	16	4
Divisors	1, 2, 3, 5, 6, 10, 15, 30, 733, 1466, 2199, 3665, 4398, 7330, 10995, 21990	1, 3, 7331, 21993
Number of properties	0	1
Semiprimes		5553rd
Roman numberals
Base 2	101010111100110₂	101010111101001₂
Base 3	1010011110₃	1010011120₃
Base 4	11113212₄	11113221₄
Base 5	1200430₅	1200433₅
Base 6	245450₆	245453₆
Base 7	121053₇	121056₇
Base 8	52746₈	52751₈
Base 9	33143₉	33146₉
Base 10	21990₁₀	21993₁₀
Base 11	15581₁₁	15584₁₁
Base 12	10886₁₂	10889₁₂
Base 13	a017₁₃	a01a₁₃
Base 14	802a₁₄	802d₁₄
Base 15	67b0₁₅	67b3₁₅
Base 16	55e6₁₆	55e9₁₆