Properties of the Number -2961

Nine Hundred Sixty-One

Basics

Value: -2962 → -2961 → -2960

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 47

Divisors: 1, 3, 7, 9, 21, 47, 63, 141, 329, 423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110010001

Octal: -5621

Duodecimal: -1869

Hexadecimal: -b91

Square: 8767521

Square Root: 54.415071441651165

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

Alternating sum of 9-gonal (or nonagonal) numbers. A266086

a(n)=det(M_n) where M_n is the n X n matrix m(i,j)=1 if σ(i+j) is even, 0 otherwise. A96734

Coordination sequence T1 for Zeolite Code LTA and ρ. A8137

Number of matrices with nonnegative integer entries and without zero rows or columns such that sum of all entries is equal to n. A120733

Fibonacci sequence beginning 0, 3. A22086

Integers of the form m*(m + 6)/7. A274978

a(n) = n*(n + 16). A98849

Number of primes less than 1000n. A38812

Coefficients in expansion of ∑_{n >= 1} xⁿ/(1-xⁿ)⁴. A59358

Pinwheel numbers: a(n) = 2·n² + 6·n + 1. A59993