Compare 13121 vs 13129

Property	13121	13129
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	13121¹	19¹ × 691¹
Prime factorization	13121	19 × 691
Divisors count	2	4
Divisors	1, 13121	1, 19, 691, 13129
Number of properties	7	1
Chen primes	791st
Class 1+ primes	27th
Isolated primes	1066th
Pierpont primes of the 2nd kind	27th
Primes	1561st
Pythagorean primes	774th
Semiprimes		3402nd
Sexy primes (1st member)	502nd
Roman numberals
Base 2	11001101000001₂	11001101001001₂
Base 3	122222222₃	200000021₃
Base 4	3031001₄	3031021₄
Base 5	404441₅	410004₅
Base 6	140425₆	140441₆
Base 7	53153₇	53164₇
Base 8	31501₈	31511₈
Base 9	18888₉	20007₉
Base 10	13121₁₀	13129₁₀
Base 11	9949₁₁	9956₁₁
Base 12	7715₁₂	7721₁₂
Base 13	5c84₁₃	5c8c₁₃
Base 14	4ad3₁₄	4adb₁₄
Base 15	3d4b₁₅	3d54₁₅
Base 16	3341₁₆	3349₁₆