Properties of the Number 72210

Seventy-Two Thousand Two Hundred Ten

Basics

Value: 72209 → 72210 → 72211

Parity: even

Prime: No

Previous Prime: 72173

Next Prime: 72211

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 29 × 83

Divisors: 1, 2, 3, 5, 6, 10, 15, 29, 30, 58

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101000010010

Octal: 215022

Duodecimal: 35956

Hexadecimal: 11a12

Square: 5214284100

Square Root: 268.71918427979796

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.s of the z^p coefficients of the polynomials in the GF3 denominators of A156927. A157704

a(n) = (2·n+23)*n*(n-1), a coefficient appearing in the formula a(n)*π/324+n+1 giving the average number of regions into which n random planes divide the cube. A248598

Numbers k such that 49·2^k+1 is prime. A32374

Irregular triangle read by rows: T(n,k) = number of k-sided polygons formed when connecting infinite lines between all vertices and all points that divide the sides of an equilateral triangle into n equal parts, for k = 3, 4, ..., max_k. A346446

a(1)=a(2)=1; a(n)=reverse(reverse(a(n-1))+reverse(a(n-2))) for n > 2. A72210

Number of n X 4 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303080