Properties of the Number 12977

Twelve Thousand Nine Hundred Seventy-Seven

Basics

Value: 12976 → 12977 → 12978

Parity: odd

Prime: No

Previous Prime: 12973

Next Prime: 12979

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 19 × 683

Divisors: 1, 19, 683, 12977

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001010110001

Octal: 31261

Duodecimal: 7615

Hexadecimal: 32b1

Square: 168402529

Square Root: 113.91663618629195

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

Number of unconstrained walks on square lattice trapped after n steps. A78528

a(n) = floor((n + 1/2)³). A219085

Matrix square of triangle A107876; equals matrix product of triangles: A107876² = A107862^-1·A107870 = A107867^-1·A107873. A107880

Triangle read by rows: number of set partitions of n elements with k circular connectors. A185983

Number of partitions p of n such that the multiplicity of the mean of p is a part of p. A240491

a(n) = 36·n² - n. A157286

Composite n such that φ(n) * σ(n) is one less than a square. A15709

a(n) = A088314(n) - A000009(n). A88571

Floor(n³/8). A81276

Row sums of triangle A091499, in which A091499(n,k) equals the k-th term of the convolution of the two prior rows indexed by (n-k) and (k-1). A91501