Properties of the Number 18497

Eighteen Thousand Four Hundred Ninety-Seven

Basics

Value: 18496 → 18497 → 18498

Parity: odd

Prime: No

Previous Prime: 18493

Next Prime: 18503

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 53 × 349

Divisors: 1, 53, 349, 18497

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100001000001

Octal: 44101

Duodecimal: A855

Hexadecimal: 4841

Square: 342139009

Square Root: 136.0036764208968

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

Central coefficients of number triangle A113582. A154323

a(0) = 0 and a(n) = (4·n³ - 12·n² + 20·n - 9)/3 for n >= 1. A174794

a(n) = 16·n² + 1. A108211

a(n) = 64·n² + 1. A158686

a(n) = 10·n² + 7. A61722

a(n) = ∑_k=1..n (k/gcd(n, k))³. A343513

Expansion of f(x²)² / f(-x) in powers of·where f() is a Ramanujan θ function. A260163

Number of sets of exactly n positive integers <= n+6 having a square element sum. A281969

Number of binary strings of length n with equal numbers of 00100 and 10011 substrings. A164241

Numbers of the form n² + 1 without prime divisors of the form a² + 1. A217279