Properties of the Number 26206

Twenty-Six Thousand Two Hundred Six

Basics

Value: 26205 → 26206 → 26207

Parity: even

Prime: No

Previous Prime: 26203

Next Prime: 26209

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 13103

Divisors: 1, 2, 13103, 26206

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011001011110

Octal: 63136

Duodecimal: 131BA

Hexadecimal: 665e

Square: 686754436

Square Root: 161.882673563294

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

Numbers k such that φ(k) + 2 | σ(k + 2). A15781

Numbers k such that σ(k+2) = 2*σ(k-2). A67135

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood. A282609

Partial sums of floor(2ⁿ/5). A178452

Semiprimes that are the sum of 10 consecutive primes. A185347

Number of -n..n arrays x(0..3) of 4 elements with zero sum and nonzero first and second differences. A200456

G.f.: ∏_k>=1 (1 + x^k) / (1 - x^k*(k+1)). A280424

Numbers k such that (8·10^k - 611)/9 is prime. A295399

Number of winning positions for the next player (a, b, c) where 1 <= a, b, c <= n in "Divisor Nim" (see comments). A383226

Numbers k such that 2·k and k + 2 have same sum of divisors. A391012