Properties of the Number -23086

Twenty-Three Thousand Eighty-Six

Basics

Value: -23087 → -23086 → -23085

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 17 × 97

Divisors: 1, 2, 7, 14, 17, 34, 97, 119, 194, 238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101000101110

Octal: -55056

Duodecimal: -1143A

Hexadecimal: -5a2e

Square: 532963396

Square Root: 151.94077793666847

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

T(n,k) is the number of n element 1..n arrays with each element the minimum of k adjacent elements of a permutation of 1..n+k-1 of n+k-1 elements. A217891

Diagonal in array of n-gonal numbers A081422. A81438

Integers n > 10553 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 10553. A63061

a(n) = number of subsets S of {1,2,...,n} having more than 2 elements such that (sum of least three elements of S) > max(S). A357289

Numbers k such that k! has a palindromic prime number of digits. A35067

Solutions to φ(x + ω(x)) = φ(x) + d(x), where φ() = A000010(), d() = A000005() and ω() = A001221(). A63868

63-gonal numbers: a(n) = n*(61·n - 59)/2. A98140

P(P(n))-P(P(n-1)), where P(n) = n(n+1)(n+2)/6 (cf. A000292). A113596

Triangle T(n,k) read by rows: T(n, k) = (m·n - m·k + 1)*T(n - 1, k - 1) + (9·k - 8)*(m·k - (m - 1))*T(n - 1, k) where m = 0. A166979

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 205", based on the 5-celled von Neumann neighborhood. A270731

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