Properties of the Number -4761

Seven Hundred Sixty-One

Basics

Value: -4762 → -4761 → -4760

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 23 ²

Divisors: 1, 3, 9, 23, 69, 207, 529, 1587, 4761

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001010011001

Octal: -11231

Duodecimal: -2909

Hexadecimal: -1299

Square: 22667121

Square Root: 69

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

Expansion of (1-x-2·x²)/(1-x²+x³). A109248

a(n) is the coefficient of xⁿ in x/(1 + ∑_k>=1 (1/2)*(prime(k+1) - 1)*x^k). A74142

Odd squares: a(n) = (2n+1)². Also centered octagonal numbers. A16754

Number of nonempty subsets of {1,2,3,...,n} whose elements have an integer average. A51293

Squarefree numbers squared. A62503

Squares of the squarefree semiprimes (p²*q²). A85986

Number of partitions of n-1 boys and one girl with no couple. A120452

Powers of composite squarefree numbers that are not squarefree. A303606

Numbers that are the sum of 8 positive 7th powers. A3375

Second spoke of a hexagonal spiral. A56106