Properties of the Number 18325

Eighteen Thousand Three Hundred Twenty-Five

Basics

Value: 18324 → 18325 → 18326

Parity: odd

Prime: No

Previous Prime: 18313

Next Prime: 18329

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 733

Divisors: 1, 5, 25, 733, 3665, 18325

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110010101

Octal: 43625

Duodecimal: A731

Hexadecimal: 4795

Square: 335805625

Square Root: 135.36986370680884

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

Number of integer partitions of n such that (maximum) <= 2*(median). A361848

Base-9 Keith numbers. A188200

a(n) is the number of regions formed by n-secting the angles of a nonagon (enneagon). A335781

Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 2. A240011

Triangle of number of falls in set partitions of n. A56859

63-gonal numbers: a(n) = n*(61·n - 59)/2. A98140

Determinant of n X n matrix of first n² squarefree numbers. A119514

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384983. A384986

Number of trees on n nodes with forbidden limbs. A14270

Divisors of 188. A18325