Compare 21147 vs 21157

Property	21147	21157
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	3¹ × 7¹ × 19¹ × 53¹	21157¹
Prime factorization	3 × 7 × 19 × 53	21157
Divisors count	16	2
Divisors	1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 3021, 7049, 21147	1, 21157
Number of properties	0	5
Isolated primes		1659th
Primes		2378th
Pythagorean primes		1181st
Sexy primes (1st member)		720th
Sexy prime triplets (1st member)		197th
Roman numberals
Base 2	101001010011011₂	101001010100101₂
Base 3	1002000020₃	1002000121₃
Base 4	11022123₄	11022211₄
Base 5	1134042₅	1134112₅
Base 6	241523₆	241541₆
Base 7	115440₇	115453₇
Base 8	51233₈	51245₈
Base 9	32006₉	32017₉
Base 10	21147₁₀	21157₁₀
Base 11	14985₁₁	14994₁₁
Base 12	102a3₁₂	102b1₁₂
Base 13	9819₁₃	9826₁₃
Base 14	79c7₁₄	79d3₁₄
Base 15	63ec₁₅	6407₁₅
Base 16	529b₁₆	52a5₁₆