Properties of the Number 51938

Fifty-One Thousand Nine Hundred Thirty-Eight

Basics

Value: 51937 → 51938 → 51939

Parity: even

Prime: No

Previous Prime: 51929

Next Prime: 51941

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 25969

Divisors: 1, 2, 25969, 51938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101011100010

Octal: 145342

Duodecimal: 26082

Hexadecimal: cae2

Square: 2697555844

Square Root: 227.89910048089263

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

a(n) = 4·n⁴ + 24·n³ + 84·n² + 144·n + 98. A160828

Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 1 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 1 3 6 or 7. A252300

Cardinality of the set of equivalence classes of the set X_n of finite integer sequences {x₁ = 0, x₂, ..., x_n} satisfying |x_k - x_k+1| = 1, where two such sequences are deemed equivalent if they are permutations of each other. A254007

Truncated triangular numbers: a(n) = n*(n+1)/2 - 18. A51938