Properties of the Number 50813

Fifty Thousand Eight Hundred Thirteen

Basics

Value: 50812 → 50813 → 50814

Parity: odd

Prime: No

Previous Prime: 50789

Next Prime: 50821

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 ² × 17 × 61

Divisors: 1, 7, 17, 49, 61, 119, 427, 833, 1037, 2989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011001111101

Octal: 143175

Duodecimal: 254A5

Hexadecimal: c67d

Square: 2581960969

Square Root: 225.41739063346466

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

Sum of the squarefree parts of the partitions of n into 6 parts. A309481

Take pairs (x,y) with ∑_{j = x..y} j = concatenation of·and y. Sort pairs on y then x. This sequence gives·of each pair. A70152

Expansion of φ(x²) / f(-x) in powers of·where φ(), f() are Ramanujan θ functions. A226622

a(n) = 1 + ∑_k=1..n-5 a(k) * a(n-k-5). A346077

Number of nX3 0..1 arrays with each 1 adjacent to 3, 4 or 6 king-move neighboring 1s. A297015

Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1),U=(1,2), or d=(1,-1) and have k doubledescents (i.e., dd's). A108428

Numbers n such that n is the sum of two nonzero squares while n² is the sum of two positive cubes. A273554

Numbers n not palindromic in any base b, 2 <= b <= 10. A50813