Compare 21397 vs 21398

Property	21397	21398
Type	prime	composite number
Unique factors	1	3
Total factors	1	3
Prime factorization	21397¹	2¹ × 13¹ × 823¹
Prime factorization	21397	2 × 13 × 823
Divisors count	2	8
Divisors	1, 21397	1, 2, 13, 26, 823, 1646, 10699, 21398
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	101001110010110₂
Base 3	1002100111₃	1002100112₃
Base 4	11032111₄	11032112₄
Base 5	1141042₅	1141043₅
Base 6	243021₆	243022₆
Base 7	116245₇	116246₇
Base 8	51625₈	51626₈
Base 9	32314₉	32315₉
Base 10	21397₁₀	21398₁₀
Base 11	15092₁₁	15093₁₁
Base 12	10471₁₂	10472₁₂
Base 13	997c₁₃	9980₁₃
Base 14	7b25₁₄	7b26₁₄
Base 15	6517₁₅	6518₁₅
Base 16	5395₁₆	5396₁₆