Properties of the Number 72741

Seventy-Two Thousand Seven Hundred Forty-One

Basics

Value: 72740 → 72741 → 72742

Parity: odd

Prime: No

Previous Prime: 72739

Next Prime: 72763

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 24247

Divisors: 1, 3, 24247, 72741

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110000100101

Octal: 216045

Duodecimal: 36119

Hexadecimal: 11c25

Square: 5291253081

Square Root: 269.705394829247

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

Consider n equally spaced points along a line and join every pair of points by a semicircle above the line; a(n) is the number of intersection points. A290447

Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-12). A23442

a(n) = 7 + floor((2 + ∑_j=1..n-1 a(j))/3). A120153

Y-projection of the tabular N X N -> N bijection A072734. A72741