Properties of the Number 45660

Forty-Five Thousand Six Hundred Sixty

Basics

Value: 45659 → 45660 → 45661

Parity: even

Prime: No

Previous Prime: 45659

Next Prime: 45667

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 761

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011001001011100

Octal: 131134

Duodecimal: 22510

Hexadecimal: b25c

Square: 2084835600

Square Root: 213.68200672962615

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(n) is defined by the condition that the decimal expansion of the ∑_n>=1 1/(∑_k=1..n a(k)) = 1/a(1) + 1/(a(1)+a(2)) + 1/(a(1)+a(2)+a(3)) + ... begins with the concatenation of these numbers; also a(1) = 10 and a(n) > a(n-1). A307021

Number of ways to choose 3 points in an n X n X n triangular grid so that they do not form a 2 X 2 X 2 triangle. A234250

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A115216; by antidiagonals. A202868

G.f.: ∑_n>=0 (n+1)*(n+2)/2 * (x + xⁿ)ⁿ. A325998

Number of 2n-bead balanced binary strings, rotationally equivalent to reversed complement, inequivalent to reverse and complement. A45660