Properties of the Number 18379

Eighteen Thousand Three Hundred Seventy-Nine

Basics

Value: 18378 → 18379 → 18380

Parity: odd

Prime: Yes

Previous Prime: 18371

Next Prime: 18397

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 18379

Divisors: 1, 18379

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011111001011

Octal: 43713

Duodecimal: A777

Hexadecimal: 47cb

Square: 337787641

Square Root: 135.56917053666737

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

Discriminants of imaginary quadratic fields with class number 23 (negated). A46020

Smaller of two consecutive primes which are anagrams of each other. A69567

List of Ormiston prime pairs. A72274

Numbers k such that numerator(Bernoulli(2·k)/(2·k)) is different from numerator(Bernoulli(2·k)/(2·k*(2·k-1))). A90495

Smallest prime p > prime(n+2) such that p is a quadratic residue mod the first n odd primes 3, 5, 7, 11, ..., prime(n+1), and p is a quadratic non-residue mod prime(n+2). A96636

Nonsquare factors k > 0 such that k·x² - 1 produces a new minimum of its Hardy-Littlewood constant. A331948

Number of finite sets of positive integers whose right half (inclusive) sums to n. A360955

Smaller of two consecutive primes whose product of digits is equal and nonzero. A230083

Smaller prime p in Ormiston pairs (p, q) with q - p = 18. A163678

Values of odd prime numbers, D, for incrementally largest values of minimal·satisfying the equation x² - D·y² = -2. A336790