Properties of the Number -8423

Four Hundred Twenty-Three

Basics

Value: -8424 → -8423 → -8422

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 8423

Divisors: 1, 8423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000011100111

Octal: -20347

Duodecimal: -4A5B

Hexadecimal: -20e7

Square: 70946929

Square Root: 91.7769034125689

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

Coordination sequence for (2,4,6) tiling of hyperbolic plane. A265061

Prime numbers k such that (2^k + 3^k)/5 is prime. A57469

Primes from merging of 4 successive digits in decimal expansion of Euler-Mascheroni constant A001620. A198778

Father primes of order 6. A136075

Primes that are congruent to -1 mod n, where n is the index of the prime. A52013

Partial sums of A365414. A365444

Primes of the form 3·m² - 4. A201716

Numbers k such that k·2^m+1 are composites for all exponents m in the range 0<=m<=k. A61153

Numbers k such that 2^k + 3^k is a semiprime. A50244

Primes p such that π(p) divides p-1 and/or p+1, where π(p) is the number of primes <= p. A162567