Properties of the Number 13325

Thirteen Thousand Three Hundred Twenty-Five

Basics

Value: 13324 → 13325 → 13326

Parity: odd

Prime: No

Previous Prime: 13313

Next Prime: 13327

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 13 × 41

Divisors: 1, 5, 13, 25, 41, 65, 205, 325, 533, 1025

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010000001101

Octal: 32015

Duodecimal: 7865

Hexadecimal: 340d

Square: 177555625

Square Root: 115.43396380615195

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

Heptagonal (or 7-gonal) pyramidal numbers: a(n) = n*(n+1)*(5·n-2)/6. A2413

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

a(n) = s(1)*s(n) + s(2)*s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3). A24312

n sets a new record for number of iterations to reach 1 in the juggler sequence problem. A94679

a(n) is the smallest number whose English name has the letter "i" in the n-th position, or -1 if no such number exists. A164793

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 9, up to isomorphism. A358249

RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n). A141812

Numbers that are the sum of 2 nonzero squares in 5 or more ways. A25296

Numbers that are the sum of 2 nonzero squares in 6 or more ways. A25297

Numbers that are the sum of 2 distinct nonzero squares in 5 or more ways. A25315