Properties of the Number 31274

Thirty-One Thousand Two Hundred Seventy-Four

Basics

Value: 31273 → 31274 → 31275

Parity: even

Prime: No

Previous Prime: 31271

Next Prime: 31277

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 19 × 823

Divisors: 1, 2, 19, 38, 823, 1646, 15637, 31274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101000101010

Octal: 75052

Duodecimal: 16122

Hexadecimal: 7a2a

Square: 978063076

Square Root: 176.84456451924103

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 compositions of n whose negation is not unimodal. A332669

Numbers k such that A(k+1) = A(k) + 1, where A() = A005101() are the abundant numbers. A169822

Number of scalene triangles, distinct up to congruence, on an n X n grid (or geoboard). A190313

Number of embeddings on the sphere of 2-connected homeomorphically irreducible planar graphs with n edges. A378076

Having specified two initial terms, the "Half-Fibonacci" sequence proceeds like the Fibonacci sequence, except that the terms are halved before being added if they are even. A120424

Square array T(n,k), n >= 2, k >= 2, read by antidiagonals, where T(n,k) is the number of Hamiltonian circuits within parallelograms of size n X k on the triangular lattice. A339849

Number of Hamiltonian circuits within parallelograms of size 6 X n on the triangular lattice. A338970

Number of Hamiltonian circuits within parallelograms of size 7 X n on the triangular lattice. A339622

Number of Hamiltonian circuits within parallelograms of size 3 X n on the triangular lattice. A339850

Number of Hamiltonian circuits within parallelograms of size 4 X n on the triangular lattice. A339851