Properties of the Number 61744

Sixty-One Thousand Seven Hundred Forty-Four

Basics

Value: 61743 → 61744 → 61745

Parity: even

Prime: No

Previous Prime: 61729

Next Prime: 61751

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 17 × 227

Divisors: 1, 2, 4, 8, 16, 17, 34, 68, 136, 227

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111000100110000

Octal: 170460

Duodecimal: 2B894

Hexadecimal: f130

Square: 3812321536

Square Root: 248.48339984795766

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

Binomial transform of Thue-Morse sequence A010060. A19302

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 1), (0, 1, 0), (1, -1, 0), (1, 1, -1)}. A148720

Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 or 00000001. A259640

Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00010101 01010101 or 01010111. A260136

a(n) = (2^A000959(n)) - 1. A61744