Compare 21980 vs 21990

Property	21980	21990
Type	composite number	composite number
Unique factors	4	4
Total factors	5	4
Prime factorization	2² × 5¹ × 7¹ × 157¹	2¹ × 3¹ × 5¹ × 733¹
Prime factorization	2 × 2 × 5 × 7 × 157	2 × 3 × 5 × 733
Divisors count	24	16
Divisors	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 21980	1, 2, 3, 5, 6, 10, 15, 30, 733, 1466, 2199, 3665, 4398, 7330, 10995, 21990
Number of properties	0	0
Roman numberals
Base 2	101010111011100₂	101010111100110₂
Base 3	1010011002₃	1010011110₃
Base 4	11113130₄	11113212₄
Base 5	1200410₅	1200430₅
Base 6	245432₆	245450₆
Base 7	121040₇	121053₇
Base 8	52734₈	52746₈
Base 9	33132₉	33143₉
Base 10	21980₁₀	21990₁₀
Base 11	15572₁₁	15581₁₁
Base 12	10878₁₂	10886₁₂
Base 13	a00a₁₃	a017₁₃
Base 14	8020₁₄	802a₁₄
Base 15	67a5₁₅	67b0₁₅
Base 16	55dc₁₆	55e6₁₆