Properties of the Number -18337

Eighteen Thousand Three Hundred Thirty-Seven

Basics

Value: -18338 → -18337 → -18336

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 1667

Divisors: 1, 11, 1667, 18337

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100011110100001

Octal: -43641

Duodecimal: -A741

Hexadecimal: -47a1

Square: 336245569

Square Root: 135.41417946433822

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

Main diagonal of Unlucky array: a(n) = A255543(n,n). A255549

a(n) = (prime(n)² + prime(n+1))/2. A140511

Principal diagonal of the convolution array A213551. A213552

a(n) = (p-1)! mod p² where p = n-th prime. A112660

Positive integers m such that 2·m² - 1 = x⁴ + y⁴ for some nonnegative integers·and y with |x - y| > 1. A343913

a(n) = 2^n-1 - A190820(n). A191342

Number of length 3 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal. A255718

Record values in A356640. A356642

Members of A000124 which are multiples of 11. A83511

Counterexamples to the conjecture that an even, prime-indexed triangular plus 1 equals a prime or that an odd, prime-indexed triangular minus 2 equals a prime. A97785