Properties of the Number 76728

Seventy-Six Thousand Seven Hundred Twenty-Eight

Basics

Value: 76727 → 76728 → 76729

Parity: even

Prime: No

Previous Prime: 76717

Next Prime: 76733

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 23 × 139

Divisors: 1, 2, 3, 4, 6, 8, 12, 23, 24, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010101110111000

Octal: 225670

Duodecimal: 384A0

Hexadecimal: 12bb8

Square: 5887185984

Square Root: 276.99819493996705

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

a(n) = n*(n+1)*(n² + n + 4)/4. A61316

Expansion of (1-x⁸) / (1-x)⁸. A8490

Numbers k such that k² divides 2·Fibonacci(k). A130163

Numbers k such that k, k+1, k+2 and k+3 are all sums of a positive square and a positive cube. A329807

Numbers k such that k+1 and σ(k)+1 are both perfect squares. A89954

Prime(prime(n))²-1. A92771

a(n) = (n-1)² * n^n-2. A76728