Properties of the Number -11870

Eleven Thousand Eight Hundred Seventy

Basics

Value: -11871 → -11870 → -11869

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 1187

Divisors: 1, 2, 5, 10, 1187, 2374, 5935, 11870

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111001011110

Octal: -27136

Duodecimal: -6A52

Hexadecimal: -2e5e

Square: 140896900

Square Root: 108.94952959971879

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 1/(1 - x^k/(1 + x)^k). A320590

Fifth diagonal of triangle A064094. A64096

Sum of end-to-end Manhattan distances over all self-avoiding n-step walks on cubic lattice. Numerator of mean Manhattan displacement s(n)=a(n)/A078717. A79156

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/2)} binomial(n-1,2·k) * a(k). A352044

Related to Pisano periods: numbers n such that there are n+10 distinct Fibonacci numbers mod n. A229467

a(n) = A000203(n)² - A001157(n) - 2n = σ(n)² - sigma₂(n) - 2n. A66294

Positions of partition numbers in the EKG sequence. A159032

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 526", based on the 5-celled von Neumann neighborhood. A272744

Numbers k such that 399·2^k+1 is prime. A323044

a(n) is the number of distinct resistances that can be produced using at most n unit resistors in a planar network. A340921