Properties of the Number -27868

Twenty-Seven Thousand Eight Hundred Sixty-Eight

Basics

Value: -27869 → -27868 → -27867

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 6967

Divisors: 1, 2, 4, 6967, 13934, 27868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110011011100

Octal: -66334

Duodecimal: -14164

Hexadecimal: -6cdc

Square: 776625424

Square Root: 166.93711390820198

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

Number of loop-graphical integer partitions of 2n. A339656

a(n) = 961·n - 1. A158412

a(n) = n³ - 2·n² - 1. A214731

Numbers n for which number of iterations to reach the largest equals number of iterations to reach 1 from the largest in Collatz (3x+1) trajectory of n. A224303

G.f.: ∏_k>=1 (1 + x^k*(k+1/2)) / (1 - x^k). A280421

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 98 ones. A31866

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 726", based on the 5-celled von Neumann neighborhood. A273451

Expansion of ∏_k>=1 (1 + x^k)^d(k-1), where d(k) = number of divisors of k (A000005). A318844

Numbers k such that 5^k mod 2^k is prime. A178996