Compare 81540 vs 81551

Property	81540	81551
Type	composite number	prime
Unique factors	4	1
Total factors	7	1
Prime factorization	2² × 3³ × 5¹ × 151¹	81551¹
Prime factorization	2 × 2 × 3 × 3 × 3 × 5 × 151	81551
Divisors count	48	2
Divisors	1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 151, 180, 270, 302, 453, 540, 604, 755, 906, 1359, 1510, 1812, 2265, 2718, 3020, 4077, 4530, 5436, 6795, 8154, 9060, 13590, 16308, 20385, 27180, 40770, 81540	1, 81551
Number of properties	0	6
Chen primes		3601st
Cousin primes (2nd member)		1029th
Primes		7976th
Prime triplets (2nd member)		431st
Twin primes (1st member)		1027th
Ulam primes		582nd
Roman numberals
Base 2	10011111010000100₂	10011111010001111₂
Base 3	11010212000₃	11010212102₃
Base 4	103322010₄	103322033₄
Base 5	10102130₅	10102201₅
Base 6	1425300₆	1425315₆
Base 7	456504₇	456521₇
Base 8	237204₈	237217₈
Base 9	133760₉	133772₉
Base 10	81540₁₀	81551₁₀
Base 11	56298₁₁	562a8₁₁
Base 12	3b230₁₂	3b23b₁₂
Base 13	2b164₁₃	2b172₁₃
Base 14	21a04₁₄	21a11₁₄
Base 15	19260₁₅	1926b₁₅
Base 16	13e84₁₆	13e8f₁₆