Properties of the Number 66372

Sixty-Six Thousand Three Hundred Seventy-Two

Basics

Value: 66371 → 66372 → 66373

Parity: even

Prime: No

Previous Prime: 66361

Next Prime: 66373

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5531

Divisors: 1, 2, 3, 4, 6, 12, 5531, 11062, 16593, 22124

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001101000100

Octal: 201504

Duodecimal: 324B0

Hexadecimal: 10344

Square: 4405242384

Square Root: 257.6276382688783

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

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,1 -1,2 1,0 or 0,-1. A264550

Number of (n+1)X(7+1) arrays of permutations of 0..n·8+7 with each element having directed index change -1,1 -1,2 1,0 or 0,-1. A264549

Number of (4+1)X(n+1) arrays of permutations of 0..n·5+4 with each element having directed index change -1,1 -1,2 1,0 or 0,-1. A264553

a(n) = coefficient of x^2·n in A(x) such that A(x) = G(x)² where G(x) = 1 + ∑_n>=1 (-1)ⁿ * x^4·n² * (F(x/2)^2·n + F(-x/2)^2·n), and F(x) is the g.f. of A357787. A357803

a(n) = coefficient of x^2·n in A(x) = 1 + ∑_n>=1 (-1)ⁿ * x^4·n² * (F(x/2)^2·n + F(-x/2)^2·n), where F(x) is the g.f. of A357787. A357806

Number of different shapes formed by bending a piece of wire of length n in the plane. A66372