Properties of the Number 12651

Twelve Thousand Six Hundred Fifty-One

Basics

Value: 12650 → 12651 → 12652

Parity: odd

Prime: No

Previous Prime: 12647

Next Prime: 12653

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 4217

Divisors: 1, 3, 4217, 12651

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000101101011

Octal: 30553

Duodecimal: 73A3

Hexadecimal: 316b

Square: 160047801

Square Root: 112.47666424641157

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = 1 + (6 + (11 + (6 + n)*n)*n)*n/24. A145126

a(n) = first term which reduces to an unchanging value in n steps via repeated interpretation of a(n) as a base b+1 number where b is the largest digit of a(n). A91049

Expansion of g.f. (1-2·x+51·x²)/(1-x)³. A257352

Number of digits in the decimal expansion of the number of partitions of 3ⁿ. A248729

a(n+1) = (2n+3)*a(n) - 2n·a(n-1) + 8n, a(0) = 1, a(1) = 3. A7566

Positive numbers having the same set of digits in base 7 and base 10. A37440

Square array, read by antidiagonals, where row n+1 equals the partial sums of the sequence resulting from removing the terms in the first column and main diagonal from row n, for n>=0, with row 0 consisting of all 1's. A130462

a(n) = n³ + (1-n)². A168297

Numbers k such that the binary representations of 1/k and 1/(k+1) have the same period (A007733). A333745

a(n) = ∑_{1 <= x₁, x₂, x₃ <= n} gcd(x₁, x₂, n)/gcd(x₁, x₂, x₃, n). A373061