Properties of the Number -4961

Nine Hundred Sixty-One

Basics

Value: -4962 → -4961 → -4960

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 ² × 41

Divisors: 1, 11, 41, 121, 451, 4961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1001101100001

Octal: -11541

Duodecimal: -2A55

Hexadecimal: -1361

Square: 24611521

Square Root: 70.43436661176133

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 cubes, i.e., ∑_k=0..n k^p*q^k for p=3, q=-1. A232599

a(n) = (-1)^n-3*binomial(n,3) - 1. A216414

Octagonal numbers: n*(3·n-2). Also called star numbers. A567

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.12.12 2D tiling (cf. A250122). A299257

Pseudoprimes to base 3. A5935

Hexanacci numbers with a(0) = ... = a(5) = 1. A383

Centered 10-gonal numbers. A62786

a(n) = (1/3)*(n² + 2·n + 3)*(n+1)². A14820

Number of divisors of nⁿ, or of A000312(n). A62319

a(n) = n*(n² - 6·n + 11)/6. A50407