Compare 21397 vs 21404

Property	21397	21404
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	21397¹	2² × 5351¹
Prime factorization	21397	2 × 2 × 5351
Divisors count	2	6
Divisors	1, 21397	1, 2, 4, 5351, 10702, 21404
Number of properties	5	0
Cousin primes (1st member)	365th
Isolated primes	1677th
Primes	2402nd
Pythagorean primes	1191st
Sexy primes (2nd member)	729th
Roman numberals
Base 2	101001110010101₂	101001110011100₂
Base 3	1002100111₃	1002100202₃
Base 4	11032111₄	11032130₄
Base 5	1141042₅	1141104₅
Base 6	243021₆	243032₆
Base 7	116245₇	116255₇
Base 8	51625₈	51634₈
Base 9	32314₉	32322₉
Base 10	21397₁₀	21404₁₀
Base 11	15092₁₁	15099₁₁
Base 12	10471₁₂	10478₁₂
Base 13	997c₁₃	9986₁₃
Base 14	7b25₁₄	7b2c₁₄
Base 15	6517₁₅	651e₁₅
Base 16	5395₁₆	539c₁₆