Compare 21512 vs 21521

Property	21512	21521
Type	composite number	prime
Unique factors	2	1
Total factors	4	1
Prime factorization	2³ × 2689¹	21521¹
Prime factorization	2 × 2 × 2 × 2689	21521
Divisors count	8	2
Divisors	1, 2, 4, 8, 2689, 5378, 10756, 21512	1, 21521
Number of properties	0	7
Additive primes		1119th
Chen primes		1184th
Cousin primes (2nd member)		368th
Primes		2415th
Prime triplets (2nd member)		183rd
Pythagorean primes		1197th
Twin primes (1st member)		365th
Roman numberals
Base 2	101010000001000₂	101010000010001₂
Base 3	1002111202₃	1002112002₃
Base 4	11100020₄	11100101₄
Base 5	1142022₅	1142041₅
Base 6	243332₆	243345₆
Base 7	116501₇	116513₇
Base 8	52010₈	52021₈
Base 9	32452₉	32462₉
Base 10	21512₁₀	21521₁₀
Base 11	15187₁₁	15195₁₁
Base 12	10548₁₂	10555₁₂
Base 13	9a3a₁₃	9a46₁₃
Base 14	7ba8₁₄	7bb3₁₄
Base 15	6592₁₅	659b₁₅
Base 16	5408₁₆	5411₁₆