Properties of the Number 17999

Seventeen Thousand Nine Hundred Ninety-Nine

Basics

Value: 17998 → 17999 → 18000

Parity: odd

Prime: No

Previous Prime: 17989

Next Prime: 18013

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 41 × 439

Divisors: 1, 41, 439, 17999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011001001111

Octal: 43117

Duodecimal: A4BB

Hexadecimal: 464f

Square: 323964001

Square Root: 134.1603518182626

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

a(n) = floor(X/Y) where X = concatenation in decreasing order of (2n)-th even number to (n+1)-th even number and Y = that of first n even numbers in increasing order. A67092

Numbers n such that n!8 + 2 is prime. A204663

a(n) = 20·n² - 1. A158491

Fibonacci sequence beginning 2, 17. A22118

Number of matchings in the wheel graph with n spokes. A61705

Minimum number k for which the digital sum of k·n is 8·n. A147828

Square excess of Fibonacci numbers. A190993

a(n) = smallest k such that 5k has a digit sum = n. A77492

a(n) = 900·n - 1. A158409

a(n) = 80·n² - 1. A158774