Properties of the Number -263111

Two Hundred Sixty-Three Thousand One Hundred Eleven

Basics

Value: -263112 → -263111 → -263110

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 263111

Divisors: 1, 263111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000000001111000111

Octal: -1001707

Duodecimal: -10831B

Hexadecimal: -403c7

Square: 69227398321

Square Root: 512.9434666705484

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

Numerator of the n-th alternating harmonic number, ∑_k=1..n (-1)^k+1/k. A58313

Numerators of coefficients in power series for -log(1+x)*log(1-x). A49281

Let u(1) = x and u(n+1) = (n²/u(n)) + 1 for n >= 1; then a(n) is such that u(n) = (b(n)*x + c(n))/(a(n)*x + d(n)) (in lowest terms) and a(n), b(n), c(n), d(n) are positive integers. A75830

Numerator of the product of n and the n-th alternating harmonic number, ∑_k=1..n (-1)^k+1/k. A119787

a(n) = (1/1 - 1/2 + ... + (-1)^n-1/n)*lcm{1..n}. A25530

Let u(1) = x and u(n+1) = (n²/u(n)) + 1 for n >= 1; then a(n) is such that u(n) =(a(n)*x + b(n))/(c(n)*x + d(n)) (in lowest terms) and a(n), b(n), c(n), d(n) are positive integers. A75827

Absolute value of numerator of the sum of all elements of the n X n matrix M with M[i,j] = (-1)^i+j*i/j for i,j = 1..n. A120301

a(n) is the numerator of the n-th hyperharmonic number of order n. A354894

Numerator of h(n+7) - h(n), where h(n) = ∑_k=1..n 1/k. A192449