Properties of the Number 5525

Five Thousand Five Hundred Twenty-Five

Basics

Value: 5524 → 5525 → 5526

Parity: odd

Prime: No

Previous Prime: 5521

Next Prime: 5527

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 13 × 17

Divisors: 1, 5, 13, 17, 25, 65, 85, 221, 325, 425

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110010101

Octal: 12625

Duodecimal: 3245

Hexadecimal: 1595

Square: 30525625

Square Root: 74.33034373659252

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

Square pyramidal numbers: a(n) = 0² + 1² + 2² + ... + n² = n*(n+1)*(2·n+1)/6. A330

a(n) = binomial(n+3, 3)/4 for odd n, n*(n+2)*(n+4)/24 for even n. A6918

Number of points of norm <= n² in square lattice. A328

Least hypotenuse of n distinct Pythagorean triangles. A6339

Numbers m that are the hypotenuse of exactly 22 distinct integer-sided right triangles, i.e., m² can be written as a sum of two squares in 22 ways. A97103

Least positive integer that is the sum of two squares of positive integers in exactly n ways. A16032

Structured rhombic dodecahedral numbers (vertex structure 9). A100157

Squared radii of the circles around (0,0) that contain record numbers of lattice points. A71383

Least number which is the sum of two distinct nonzero squares in exactly n ways. A93195

Molien series of 4-dimensional representation of cyclic group of order 4 over GF(2) (not Cohen-Macaulay). A8610