Properties of the Number -11998

Eleven Thousand Nine Hundred Ninety-Eight

Basics

Value: -11999 → -11998 → -11997

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 857

Divisors: 1, 2, 7, 14, 857, 1714, 5999, 11998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111011011110

Octal: -27336

Duodecimal: -6B3A

Hexadecimal: -2ede

Square: 143952004

Square Root: 109.53538241134689

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

Expansion of ∑_k>=1 x^k/(1 + x^k)⁴. A320901

Numbers k such that ∑_j=1..k σ(j) is divisible by k, where σ(j) = sum of divisors of j (A000203). A56550

Irregular triangle T(n,k) read by rows: T(n,k) is the number of compositions of n with k descents, n>=0, 0<=k<=floor(n/3). A238344

Number of magic labelings of the cycle-of-loops graph LOOP X C₆ having magic sum n, where LOOP is the 1-vertex, 1-loop-edge graph. A244879

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302415

Expansion of ∏_{1 <= i <= j <= k} 1/(1 - x^i·j*k). A321360

a(n) = Number of subsets with n members of the set {1..n²} such that the sum of the members is prime. A167147

a(n) = ∑_d∣n (-1)^n/d-1 * binomial(d+2,3). A366813

Number of compositions of n with exactly three descents. A241628

Indices of records in A307730. A348449