Properties of the Number -26212

Twenty-Six Thousand Two Hundred Twelve

Basics

Value: -26213 → -26212 → -26211

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 6553

Divisors: 1, 2, 4, 6553, 13106, 26212

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011001100100

Octal: -63144

Duodecimal: -13204

Hexadecimal: -6664

Square: 687068944

Square Root: 161.90120444270946

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

Every suffix prime and no 0 digits in base 9 (written in base 9). A24784

a(n) = 4·floor(24·2ⁿ/15) = 4·A077854(n). A102652

Triangle, read by rows, where T(n,k) = n·T(n-1,k-1) + T(n-1,k-2) for n>0 and k>1, with T(n,0) = T(n-1,n-1) and T(n,1) = n·T(n-1,0) for n>0 and T(0,0) = 1. A132005

Starting positions of strings of three 6's in the decimal expansion of π. A83625

a(n) = ∑_k=0..n (-1)^k * binomial(n+2·k+5,n-k) * Fibonacci(k+1). A390858

Numbers n such that there are exactly 4 primes p such that floor(n·log(n))+1<=p<=floor((n+1)*log(n+1))-1. A68362