Compare 21157 vs 21159

Property	21157	21159
Type	prime	composite number
Unique factors	1	2
Total factors	1	3
Prime factorization	21157¹	3² × 2351¹
Prime factorization	21157	3 × 3 × 2351
Divisors count	2	6
Divisors	1, 21157	1, 3, 9, 2351, 7053, 21159
Number of properties	5	0
Isolated primes	1659th
Primes	2378th
Pythagorean primes	1181st
Sexy primes (1st member)	720th
Sexy prime triplets (1st member)	197th
Roman numberals
Base 2	101001010100101₂	101001010100111₂
Base 3	1002000121₃	1002000200₃
Base 4	11022211₄	11022213₄
Base 5	1134112₅	1134114₅
Base 6	241541₆	241543₆
Base 7	115453₇	115455₇
Base 8	51245₈	51247₈
Base 9	32017₉	32020₉
Base 10	21157₁₀	21159₁₀
Base 11	14994₁₁	14996₁₁
Base 12	102b1₁₂	102b3₁₂
Base 13	9826₁₃	9828₁₃
Base 14	79d3₁₄	79d5₁₄
Base 15	6407₁₅	6409₁₅
Base 16	52a5₁₆	52a7₁₆