Properties of the Number 45525

Forty-Five Thousand Five Hundred Twenty-Five

Basics

Value: 45524 → 45525 → 45526

Parity: odd

Prime: No

Previous Prime: 45523

Next Prime: 45533

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 607

Divisors: 1, 3, 5, 15, 25, 75, 607, 1821, 3035, 9105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000111010101

Octal: 130725

Duodecimal: 22419

Hexadecimal: b1d5

Square: 2072525625

Square Root: 213.3658829335187

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) = 2*(-i)ⁿ*(n·sin(c*(n+1)) - i·sin(-c·n))/sqrt(5) where c = arccos(i/2). A354044

G.f. A(x) satisfies A(x) = 1 + ∑_n>=1 A(x)ⁿ*xⁿ/(1 - xⁿ). A192207

Fibonacci sequence beginning 1, 17. A22107

a(n) = 3·Catalan(n) - Catalan(n-1) - 1. A781

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (1, -1, 1), (1, 0, 1), (1, 1, -1)}. A148804

Numbers k such that k! has initial digit '6'. A45525

T(n,k)=Number of length n+3 0..k arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248537

Number of nX5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 1 0 vertically. A207882