Compare 21420 vs 21421

Property	21420	21421
Type	composite number	semiprime
Unique factors	5	2
Total factors	7	2
Prime factorization	2² × 3² × 5¹ × 7¹ × 17¹	31¹ × 691¹
Prime factorization	2 × 2 × 3 × 3 × 5 × 7 × 17	31 × 691
Divisors count	72	4
Divisors	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	1, 31, 691, 21421
Number of properties	0	1
Semiprimes		5425th
Roman numberals
Base 2	101001110101100₂	101001110101101₂
Base 3	1002101100₃	1002101101₃
Base 4	11032230₄	11032231₄
Base 5	1141140₅	1141141₅
Base 6	243100₆	243101₆
Base 7	116310₇	116311₇
Base 8	51654₈	51655₈
Base 9	32340₉	32341₉
Base 10	21420₁₀	21421₁₀
Base 11	15103₁₁	15104₁₁
Base 12	10490₁₂	10491₁₂
Base 13	9999₁₃	999a₁₃
Base 14	7b40₁₄	7b41₁₄
Base 15	6530₁₅	6531₁₅
Base 16	53ac₁₆	53ad₁₆