Properties of the Number -18248

Eighteen Thousand Two Hundred Forty-Eight

Basics

Value: -18249 → -18248 → -18247

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 2281

Divisors: 1, 2, 4, 8, 2281, 4562, 9124, 18248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -100011101001000

Octal: -43510

Duodecimal: -A688

Hexadecimal: -4748

Square: 332989504

Square Root: 135.08515832614626

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

Numbers k such that prime(k) + prime(k+1) + prime(k+2) is a square. A76305

Numbers k such that τ(k) = τ(k+1) mod 691, where τ is Ramanujan's τ function A000594. A121733

Least numbers k for each base b >= 2 such that N = b^2ⁿ + k is prime for 7 consecutive values from n = 0 to n = 6. A225560

Positions of 3's in A234323. A234804

Least number k such that 3^2ⁱ + k is prime for i = 0,1,..,n-1. A226281

Numbers k such that 3^k + k is prime. A57900

Exponential (or binomial) half-convolution of A000984 (central binomial) with itself. A203576

Number of Ramanujan primes R_k such that 2^n-1 < R_k <= 2ⁿ. A190501

Number of labeled trees on <= n nodes. A117887

Number of 3-step self-avoiding walks on an n X n square summed over all starting positions. A188148