Compare 21601 vs 21609

Property	21601	21609
Type	prime	composite number
Unique factors	1	2
Total factors	1	6
Prime factorization	21601¹	3² × 7⁴
Prime factorization	21601	3 × 3 × 7 × 7 × 7 × 7
Divisors count	2	15
Divisors	1, 21601	1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 21609
Number of properties	4	0
Harmonic primes	893rd
Primes	2426th
Pythagorean primes	1203rd
Twin primes (2nd member)	368th
Roman numberals
Base 2	101010001100001₂	101010001101001₂
Base 3	1002122001₃	1002122100₃
Base 4	11101201₄	11101221₄
Base 5	1142401₅	1142414₅
Base 6	244001₆	244013₆
Base 7	116656₇	120000₇
Base 8	52141₈	52151₈
Base 9	32561₉	32570₉
Base 10	21601₁₀	21609₁₀
Base 11	15258₁₁	15265₁₁
Base 12	10601₁₂	10609₁₂
Base 13	9aa8₁₃	9ab3₁₃
Base 14	7c2d₁₄	7c37₁₄
Base 15	6601₁₅	6609₁₅
Base 16	5461₁₆	5469₁₆