Properties of the Number 72860

Seventy-Two Thousand Eight Hundred Sixty

Basics

Value: 72859 → 72860 → 72861

Parity: even

Prime: No

Previous Prime: 72859

Next Prime: 72869

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 3643

Divisors: 1, 2, 4, 5, 10, 20, 3643, 7286, 14572, 18215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110010011100

Octal: 216234

Duodecimal: 361B8

Hexadecimal: 11c9c

Square: 5308579600

Square Root: 269.9259157620846

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

G.f. A(x) satisfies: 1 = ∑_n>=0 xⁿ / (A(x)² - x)^2·n+1 * [ ∑_k=0..n C(n,k)² * x^k * A(x)^n-2·k ]². A258053

Number of 1Xn 0..n arrays with every repeated value in every row and column equal to the previous repeated value, and new values introduced in row-major sequential order. A268004

Table read by antidiagonals: T(n,k) (n >= 3, k >= 0) is the number of edges in a regular n-gon after k generations of mitosis. A350502

Highest power of 3 dividing the period length of 1/prime(n) = A002371(n). A72860