Properties of the Number 65568

Sixty-Five Thousand Five Hundred Sixty-Eight

Basics

Value: 65567 → 65568 → 65569

Parity: even

Prime: No

Previous Prime: 65563

Next Prime: 65579

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 683

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000000100000

Octal: 200040

Duodecimal: 31B40

Hexadecimal: 10020

Square: 4299162624

Square Root: 256.06249237246755

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 2 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1). A100314

Split positive integers into extending even groups and sum: 1+2, 3+4+5+6, 7+8+9+10+11+12, 13+14+15+16+17+18+19+20, ... A61317

a(n) = n*(n³ + 2). A185065

a(n) = 32*(2ⁿ + 1). A175163

Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 19 (most significant digit on right). A29512

a(n) = 256·n² + 2·n. A158230

a(n) = 32*(32·n² + 1). A158685

a(n) = 4ⁿ + 4·n. A221906

a(n) = 2^x+2^y where p(n) is the n-th prime of the form 4·k+1 and x, y is the unique integer solution to p(n) = x²+y². A226640

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 16. A31694