Properties of the Number -31128

Thirty-One Thousand One Hundred Twenty-Eight

Basics

Value: -31129 → -31128 → -31127

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 1297

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1297, 2594

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100110011000

Octal: -74630

Duodecimal: -16020

Hexadecimal: -7998

Square: 968952384

Square Root: 176.43128974192757

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

Largest achievable determinant of a 3 X 3 matrix whose elements are 9 distinct integers chosen from the range -n...n. A97693

a(n) = the definite integral Integral_0..1 ∏_j=1..n 4·sin²(π*j·x) dx. A133871

Structured truncated octahedral numbers. A100155

Numbers k such that 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)*p(k+6)-1 and 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)*p(k+6)+1 are twin primes with p(h) = h-th prime. A129313

a(n) = 1728·n + 24. A157325

Maximal coefficient of (1 - x)² * (1 - x²)² * (1 - x³)² * ... * (1 - xⁿ)². A369710

T(n,n-6), where T is the array in A055830. A55833

Poincaré series [or Poincare series] P(C_3,2(0); t). A124636

Number of distinct solutions of sum{i=1..3}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1. A180785

Half the number of n X 4 binary arrays with no element unequal to a strict majority of its king-move neighbors. A183388