Properties of the Number 72841

Seventy-Two Thousand Eight Hundred Forty-One

Basics

Value: 72840 → 72841 → 72842

Parity: odd

Prime: No

Previous Prime: 72823

Next Prime: 72859

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 23 × 3167

Divisors: 1, 23, 3167, 72841

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010001001

Octal: 216211

Duodecimal: 361A1

Hexadecimal: 11c89

Square: 5305811281

Square Root: 269.8907186251502

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

a(0) = 0, and for any n > 0, the binary expansion of n has n digits and starts with the binary expansion of n, say of w digits, and in case n > w, the remaining binary digits in a(n) are those of a(n-w). A343963

A symmetrical triangle sequence:q=3:t(n,m,q)=(1 - qⁿ)*Eulerian[n + 1, m] - (1 - qⁿ) + 1. A174729

Numbers k such that the digits of k² are exactly the same (albeit in different order) as the digits of (k+1)². A72841

Number of 6Xn 0..2 arrays with diagonals and antidiagonals unimodal and rows nondecreasing. A224357