Properties of the Number 6958

Six Thousand Nine Hundred Fifty-Eight

Basics

Value: 6957 → 6958 → 6959

Parity: even

Prime: No

Previous Prime: 6949

Next Prime: 6959

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 ² × 71

Divisors: 1, 2, 7, 14, 49, 71, 98, 142, 497, 994

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100101110

Octal: 15456

Duodecimal: 403A

Hexadecimal: 1b2e

Square: 48413764

Square Root: 83.4146270146909

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

Numbers k such that 3^k + 2 is prime. A51783

a(n) = n*(2·n² -3·n +7)/6 = C(n, 1) + C(n, 2) + 2·C(n, 3). A81489

Triangle read by rows in which row n lists the parts of the symmetric representation of σ of the smallest number whose symmetric representation of σ has n parts. A239665

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every element equal to some horizontal, vertical or antidiagonal neighbor, with top left element zero. A232038

Array read by antidiagonals: T(m,n) = number of minimal dominating sets in the grid graph P_m X P_n. A286847

Number of perfect-powers·in the range 2ⁿ < x < 2ⁿ⁺¹. A377467

Glaisher's chi₄(n). A30212

Expansion of Product (1 - x^k)¹⁰ in powers of x. A10818

Expansion of (ψ(x) * φ(-x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A215472

Expansion of (ψ(-x) * φ(x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A209942