Properties of the Number 76456

Seventy-Six Thousand Four Hundred Fifty-Six

Basics

Value: 76455 → 76456 → 76457

Parity: even

Prime: No

Previous Prime: 76441

Next Prime: 76463

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 19 × 503

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 503, 1006

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10010101010101000

Octal: 225250

Duodecimal: 382B4

Hexadecimal: 12aa8

Square: 5845519936

Square Root: 276.50678111033733

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

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2X2 subblock. A235893

Row sums of A125605. A125606

a(0) = 2, a(1) = 2; for n > 1, a(n) = a(n-1) + 2·a(n-2) + 3. A290604

Numbers k such that σ(k) = 2*φ(k+1). A68423

Number of (n+1) X (3+1) 0..3 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock. A235888

Number of (n+1) X (7+1) 0..3 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock. A235892

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly three ways. A76456