Properties of the Number 14978

Fourteen Thousand Nine Hundred Seventy-Eight

Basics

Value: 14977 → 14978 → 14979

Parity: even

Prime: No

Previous Prime: 14969

Next Prime: 14983

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 7489

Divisors: 1, 2, 7489, 14978

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101010000010

Octal: 35202

Duodecimal: 8802

Hexadecimal: 3a82

Square: 224340484

Square Root: 122.38463955905577

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 polyiamonds with 2n cells that tile the plane both by translation and by 180-degree rotation (Conway criterion). A75218

Beach-Williams Pell numbers of type 2p (p prime). A212074

a(n) = 169·n² + 140·n + 29. A156640

a(n) = ∑_{k=0..floor(n/4)} (-1)^k * (n-3·k)!/(n-4·k)!. A358605

Number of self-avoiding walks of length n on square lattice such that at each point the angle turns 90 degrees (the first turn is assumed to be to the left - otherwise the number must be doubled). A189722

Number of peakless Motzkin paths with no U H^j U, no D H^j D and no D H^jU (j>0), where U=(1,1), D=(1,-1) and H=(1,0) (can be easily expressed using RNA secondary structure terminology). A98057

Expansion of a(x²) / f(-x) in powers of·where a() is a cubic AGM θ function and f() is a Ramanujan θ function. A261454

a(0) = 1, a(n) = 26·n² + 2 for n>0. A10016

a(n) = ∑_d∣n d²*2^d-1*(n/d-1) for n > 0. A77272

a(n) = 4·a(n-1) - 2·a(n-2) with a(0) = 1, a(1) = 4. A7070