Properties of the Number 44225

Forty-Four Thousand Two Hundred Twenty-Five

Basics

Value: 44224 → 44225 → 44226

Parity: odd

Prime: No

Previous Prime: 44221

Next Prime: 44249

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 29 × 61

Divisors: 1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010110011000001

Octal: 126301

Duodecimal: 21715

Hexadecimal: acc1

Square: 1955850625

Square Root: 210.2974084481309

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

Expansion of e.g.f. ∏_k>=1 sec(x^k) (even powers only). A330516

Triangle read by rows: T(n,k) = round(c(n)/(c(k)*c(n-k))) where c are partial products of a sequence defined in comments. A172359

Sum of all numbers from and including Fibonacci(n-1) to and including Fibonacci(n). A161762

Numbers k such that one can make an equilateral triangle from a chain of linked rods of length 1, 2, 3, ..., k, with perimeter equal to the total length. A382632

Engel expansion of 3^1/3 = 1.44225. A59179

Numbers k such that string 4,6 occurs in the base 8 representation of k but not of k-1. A44225

Number of 3Xn 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A279582