Properties of the Number -5123

One Hundred Twenty-Three

Basics

Value: -5124 → -5123 → -5122

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 47 × 109

Divisors: 1, 47, 109, 5123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010000000011

Octal: -12003

Duodecimal: -2B6B

Hexadecimal: -1403

Square: 26245129

Square Root: 71.57513534740957

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 e.g.f. exp(x * (1-2·x)). A362176

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * ∑_{j=0..floor(n/2)} (-k/2)^j * binomial(n-j,j)/(n-j)!. A362277

Numerators of the partial alternating sums of the reciprocals of the alternating sum of divisors function (A206369). A379621

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 141", based on the 5-celled von Neumann neighborhood. A270285

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + n·b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A296284

Numbers that are the sum of 8 positive 10th powers. A4808

Discriminants of imaginary quadratic fields with class number 26 (negated). A351664

Number of connected components of n faces of the truncated cuboctahedron up to the 48 rotations and reflections of the truncated cuboctahedron. A384071

Multiply by 5 and reverse. A45539

Numbers that are the sum of eight fourth powers in four or more ways. A345579