Properties of the Number 40729

Forty Thousand Seven Hundred Twenty-Nine

Basics

Value: 40728 → 40729 → 40730

Parity: odd

Prime: No

Previous Prime: 40709

Next Prime: 40739

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 ² × 241

Divisors: 1, 13, 169, 241, 3133, 40729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111100011001

Octal: 117431

Duodecimal: 1B6A1

Hexadecimal: 9f19

Square: 1658851441

Square Root: 201.8142710513803

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

Positive numbers y such that y² is of the form x²+(x+241)² with integer x. A159565

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 14. A31602

Continued fraction for sqrt(757). A40729

Number of (n+1)X4 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences. A210385