Properties of the Number 65215

Sixty-Five Thousand Two Hundred Fifteen

Basics

Value: 65214 → 65215 → 65216

Parity: odd

Prime: No

Previous Prime: 65213

Next Prime: 65239

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 13043

Divisors: 1, 5, 13043, 65215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111010111111

Octal: 177277

Duodecimal: 318A7

Hexadecimal: febf

Square: 4252996225

Square Root: 255.3722772737871

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 nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s. A297733

Numbers of length n binary words with fewer than 9 0-digits between any pair of consecutive 1-digits. A145117

Number of n X 6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1's. A297731

Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s. A297738

Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1's. A297727

Numbers which need ten 'Reverse and Add' steps to reach a palindrome. A65215