Properties of the Number 51476

Fifty-One Thousand Four Hundred Seventy-Six

Basics

Value: 51475 → 51476 → 51477

Parity: even

Prime: No

Previous Prime: 51473

Next Prime: 51479

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 17 × 757

Divisors: 1, 2, 4, 17, 34, 68, 757, 1514, 3028, 12869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100100010100

Octal: 144424

Duodecimal: 25958

Hexadecimal: c914

Square: 2649778576

Square Root: 226.88322987827902

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 X k 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302820

Numbers k such that 74·2^k-1 is prime. A50413

Start with n, apply k->2k+1 until reach new record prime; sequence gives number of steps needed. A51918

Expansion of φ(-x⁵) * f(x², x⁸) / ψ(-x)² in powers of·where φ, ψ, f(,) are Ramanujan θ functions. A259392

Index of first occurrence of n in A154404. A154952

Number of nondecreasing integer sequences of length 20 with sum zero and sum of absolute values 2n. A158154

Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302816

Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302824

(Terms in A014733)/4. A51476