Properties of the Number -2086

Eighty-Six

Basics

Value: -2087 → -2086 → -2085

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 149

Divisors: 1, 2, 7, 14, 149, 298, 1043, 2086

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000100110

Octal: -4046

Duodecimal: -125A

Hexadecimal: -826

Square: 4351396

Square Root: 45.67274898667694

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 strict integer partitions of n with integer median. A359907

Partial sums of the partition numbers A000041 of the positive integers. A26905

Pascal-(1,2,1) array read by antidiagonals. A81577

Generalized 22-gonal (or icosidigonal) numbers: m*(10·m - 9) with m = 0, +1, -1, +2, -2, +3, -3, ... A303299

Numbers n such that (n⁹⁷-1)/(n-1) is prime. A217089

Numbers k such that p(k), p(k)+6, p(k)+12, p(k)+18 are consecutive primes, where p(k) denotes k-th prime. A90832

Generalized Stirling number triangle of first kind read by rows: T(n, k) = [x^k] ∏_m=1..n (x - m - r), with r = 6. A51339

Euler-φ of these numbers is a decimal repdigit. A96503

Numbers n such that fractional part of e^π*sqrt(n) > 0.99. A35484

T(n,k)=Number of length n+5 0..k arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms. A250081