Properties of the Number 81514

Eighty-One Thousand Five Hundred Fourteen

Basics

Value: 81513 → 81514 → 81515

Parity: even

Prime: No

Previous Prime: 81509

Next Prime: 81517

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 53 × 769

Divisors: 1, 2, 53, 106, 769, 1538, 40757, 81514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111001101010

Octal: 237152

Duodecimal: 3B20A

Hexadecimal: 13e6a

Square: 6644532196

Square Root: 285.50656735003486

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

Number of length 3+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero. A250420

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 33. A31621

Triangle read by rows: row n = lexicographically earliest choice for n distinct divisors of A081512(n) = m whose sum is m. A81514