Properties of the Number 51401

Fifty-One Thousand Four Hundred One

Basics

Value: 51400 → 51401 → 51402

Parity: odd

Prime: No

Previous Prime: 51383

Next Prime: 51407

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 ² × 1049

Divisors: 1, 7, 49, 1049, 7343, 51401

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100011001001

Octal: 144311

Duodecimal: 258B5

Hexadecimal: c8c9

Square: 2642062801

Square Root: 226.71788636982305

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

Logarithmic derivative of A112940 such that a(n)=(1/5)*A112940(n+1) for n>0, where A112940 equals the INVERT transform (with offset) of quintuple factorials A008546. A112941

Somos's sequence {a(7,n)} defined in comment in A018896: a(0)=a(1)= ... = a(15) = 1; for n>=16, a(n) = (a(n-1)*a(n-15)+ a(n-8)²)/a(n-16). A271837

Number of parallelograms on an n X n grid. A189416

Counterclockwise square spiral constructed using the integers so that a(n) plus all other numbers currently visible from the current number equals n; start with a(0) = 0. A357985

a(n) = 3n³ - 2n² + n - 1. A130885

Smallest value of·such that M(x) = -n, where M(x) is Mertens's function A002321. A51401