Properties of the Number 51494

Fifty-One Thousand Four Hundred Ninety-Four

Basics

Value: 51493 → 51494 → 51495

Parity: even

Prime: No

Previous Prime: 51487

Next Prime: 51503

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 25747

Divisors: 1, 2, 25747, 51494

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100100100110

Octal: 144446

Duodecimal: 25972

Hexadecimal: c926

Square: 2651632036

Square Root: 226.92289439366843

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

Triangle, read by rows, that transforms diagonals in the table of coefficients of successive iterations of x*(1+x)² (cf. A166888). A166890

a(0) = 2 and, for n >= 1, rewrite 0->100 in the binary expansion of n and append 10 to the right. A80310

Decimal part of n^1/11 starts with a 'nine digits' anagram. A34286

Triangle T(n,k), read by rows n>=0 with terms k=1..3ⁿ, where row n lists the coefficients in the n-th iteration of x*(1+x)². A166888

Number of permutations τ of {1,...,n} with τ(n) = n such that τ(1)^τ(2) + ... + τ(n-1)^τ(n) + τ(n)^τ(1) is a square. A342965

Expansion of (1 - x + x² + x³)/(1 - x²)³. A51494

Row sums of triangle A166890. A229113