Compare 21409 vs 21420

Property	21409	21420
Type	semiprime	composite number
Unique factors	2	5
Total factors	2	7
Prime factorization	79¹ × 271¹	2² × 3² × 5¹ × 7¹ × 17¹
Prime factorization	79 × 271	2 × 2 × 3 × 3 × 5 × 7 × 17
Divisors count	4	72
Divisors	1, 79, 271, 21409	1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 21420
Number of properties	1	0
Semiprimes	5422nd
Roman numberals
Base 2	101001110100001₂	101001110101100₂
Base 3	1002100221₃	1002101100₃
Base 4	11032201₄	11032230₄
Base 5	1141114₅	1141140₅
Base 6	243041₆	243100₆
Base 7	116263₇	116310₇
Base 8	51641₈	51654₈
Base 9	32327₉	32340₉
Base 10	21409₁₀	21420₁₀
Base 11	150a3₁₁	15103₁₁
Base 12	10481₁₂	10490₁₂
Base 13	998b₁₃	9999₁₃
Base 14	7b33₁₄	7b40₁₄
Base 15	6524₁₅	6530₁₅
Base 16	53a1₁₆	53ac₁₆