Properties of the Number 81014

Eighty-One Thousand Fourteen

Basics

Value: 81013 → 81014 → 81015

Parity: even

Prime: No

Previous Prime: 81013

Next Prime: 81017

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 40507

Divisors: 1, 2, 40507, 81014

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10011110001110110

Octal: 236166

Duodecimal: 3AA72

Hexadecimal: 13c76

Square: 6563268196

Square Root: 284.6295838453902

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

T(n,k)=Number of lower triangles of an n X n 0..k array with each element differing from all of its horizontal and vertical neighbors by one. A194998

Number of lower triangles of an n X n 0..4 array with each element differing from all of its horizontal and vertical neighbors by one. A194994

Number of lower triangles of a 6 X 6 0..n array with each element differing from all of its horizontal and vertical neighbors by one. A195002

a(n) = Lucas(4·n+1) + 1, or Lucas(2·n)*Lucas(2·n+1). A81014