Properties of the Number 55525

Fifty-Five Thousand Five Hundred Twenty-Five

Basics

Value: 55524 → 55525 → 55526

Parity: odd

Prime: No

Previous Prime: 55511

Next Prime: 55529

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ² × 2221

Divisors: 1, 5, 25, 2221, 11105, 55525

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101100011100101

Octal: 154345

Duodecimal: 28171

Hexadecimal: d8e5

Square: 3083025625

Square Root: 235.63743335896356

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

Numbers k such that 2^k - k² is prime. A72180

Coefficients of the power series expansion at p=1 of the growth rate C(p) of the length of the longest increasing path in an Erdös-Rényi graph with edge probability p. A321309

Lexicographically earliest sequence of increasing numbers whose digits satisfy the "Fractal Jump" rule using only the digits 2 and 5: keep the first digit "d" of the sequence, then jump over the next "d" digits and keep the digit "e" on which you have landed. Jump now over the next "e" digits and keep the digit "f" on which you have landed, etc. The succession "def..." of kept digits is the sequence itself. A105647

Numbers having four 5's in base 10. A43512

Number of (7+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250661

Shortest other side of a Pythagorean triangle having n as length of one of the three sides. A55525