Properties of the Number -16138

Sixteen Thousand One Hundred Thirty-Eight

Basics

Value: -16139 → -16138 → -16137

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 8069

Divisors: 1, 2, 8069, 16138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111100001010

Octal: -37412

Duodecimal: -940A

Hexadecimal: -3f0a

Square: 260435044

Square Root: 127.03542812932147

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 b(2)*b(4)*b(6)/(x⁸-x⁴-x+1), where b(k) = (1-x^k)/(1-x). A265055

Numbers that can be written in exactly two different ways as s₁^x_1 + ... + s_t^x_t, with 1 < s₁ < ... < s_t and {s₁,..., s_t} = {x₁,..., x_t} for some t > 0. A386966

Expansion of x/((1 - x - x⁴)*(1 - x)³). A145132

Expansion of ∏_k>=0 1/(1-x^4·k+1)³. A261632

Number of counterclockwise n-step spirals on hexagonal lattice where turns of 2*π/3 are forbidden. A309982

Semiprimes that are the sum of two successive semiprimes and also the sum of three successive semiprimes. A370162

Total sum of the smallest part of every partition of every shell of n. A196039

Numbers k such that the continued fraction for sqrt(k) has period 51. A20390

a(n) = ∑_{i=0..n, j=0..n} A026648(i,j). A26657

Numbers whose set of base-11 digits is {1,4}. A32823