Compare 6440 vs 6451

Property	6440	6451
Type	composite number	prime
Unique factors	4	1
Total factors	6	1
Prime factorization	2³ × 5¹ × 7¹ × 23¹	6451¹
Prime factorization	2 × 2 × 2 × 5 × 7 × 23	6451
Divisors count	32	2
Divisors	1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440	1, 6451
Number of properties	0	2
Primes		838th
Twin primes (2nd member)		150th
Roman numberals
Base 2	1100100101000₂	1100100110011₂
Base 3	22211112₃	22211221₃
Base 4	1210220₄	1210303₄
Base 5	201230₅	201301₅
Base 6	45452₆	45511₆
Base 7	24530₇	24544₇
Base 8	14450₈	14463₈
Base 9	8745₉	8757₉
Base 10	6440₁₀	6451₁₀
Base 11	4925₁₁	4935₁₁
Base 12	3888₁₂	3897₁₂
Base 13	2c15₁₃	2c23₁₃
Base 14	24c0₁₄	24cb₁₄
Base 15	1d95₁₅	1da1₁₅
Base 16	1928₁₆	1933₁₆