Properties of the Number 50840

Fifty Thousand Eight Hundred Forty

Basics

Value: 50839 → 50840 → 50841

Parity: even

Prime: No

Previous Prime: 50839

Next Prime: 50849

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 5 × 31 × 41

Divisors: 1, 2, 4, 5, 8, 10, 20, 31, 40, 41

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011010011000

Octal: 143230

Duodecimal: 25508

Hexadecimal: c698

Square: 2584705600

Square Root: 225.47727158186032

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

Fifth column (m=4) of (1,3)-Pascal triangle A095660. A95661

In the interior of a regular 2n-gon with all diagonals drawn, the number of points where exactly three diagonals intersect. A101363

Triangle of generalized Stirling numbers of the first kind read by rows: T(n, k) = (-1)^n+k*∑_m=0..n Stirling1(n, m) * binomial(m, k), where Stirling1 is A048994. A94645

a(n) = (n-1)*(2·n-1)*(3·n-1). A33594

Expansion of e.g.f. (1 + y)^{1 + x}. A105793

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,1,4}. A79956

Numbers·such that σ(x) = σ(y), with x<>y, where y is the 10's complement mod 10 of the digits of x. A300447

T(n,0) + T(n,1) + ... + T(n,n), T given by A026692. A26699

Numbers n such that 177·2ⁿ-1 is prime. A50840