Properties of the Number 7216

Seven Thousand Two Hundred Sixteen

Basics

Value: 7215 → 7216 → 7217

Parity: even

Prime: No

Previous Prime: 7213

Next Prime: 7219

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 11 × 41

Divisors: 1, 2, 4, 8, 11, 16, 22, 41, 44, 82

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110000110000

Octal: 16060

Duodecimal: 4214

Hexadecimal: 1c30

Square: 52070656

Square Root: 84.94704232638121

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

Multiples of 16 containing a 16 in their decimal representation. A121036

Number of reduced words of length n in the Weyl group B₈. A161717

Number of primes between n·100000 and (n+1)*100000. A38825

Expansion of φ(x) / f(-x) in powers of·where φ(), f() are Ramanujan θ functions. A29552

Number of partitions of n having no parts with multiplicity 5. A184640

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal sum minus antidiagonal sum unequal to its neighbors horizontally and vertically. A253740

Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the picked positions have a point symmetry or a line symmetry. A292153

Numbers which are representable as a sum of eleven but no fewer consecutive nonnegative integers. A270299

Expansion of ∑_k>0 x^2·k/(1-x^k)⁴. A363604

Convergent of an infinite product, a·b*c,...; a = [1,1,1,...], b = [1,0,2,0,2,0,2,...], c = [1,0,0,3,0,0,3,0,0,3,...],... A162506