Properties of the Number 81323

Eighty-One Thousand Three Hundred Twenty-Three

Basics

Value: 81322 → 81323 → 81324

Parity: odd

Prime: No

Previous Prime: 81307

Next Prime: 81331

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 × 7393

Divisors: 1, 11, 7393, 81323

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011110110101011

Octal: 236653

Duodecimal: 3B08B

Hexadecimal: 13dab

Square: 6613430329

Square Root: 285.1718779964111

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 (n+2) X (7+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252960

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252961

a(n) = L(P(n)), where L = Lucas numbers A000032, P = Pell numbers A000129. A81323