Properties of the Number 67826

Sixty-Seven Thousand Eight Hundred Twenty-Six

Basics

Value: 67825 → 67826 → 67827

Parity: even

Prime: No

Previous Prime: 67819

Next Prime: 67829

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 3083

Divisors: 1, 2, 11, 22, 3083, 6166, 33913, 67826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000100011110010

Octal: 204362

Duodecimal: 33302

Hexadecimal: 108f2

Square: 4600366276

Square Root: 260.434252739535

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

a(n) = ∑_k=0..n (-1)^k * binomial(5·n-k+2,n-k). A390548

Expansion of the g.f. (x²-x+1)*(x²-3·x+3)/(x-1)⁶. A257890

Numbers k such that 2·5^k + 3 is prime. A57914

Numbers k such that 403·2^k+1 is prime. A323101

Total number of nodes summed over all self-avoiding planar walks starting at (0,0), ending at (n,n), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1) with the restriction that (0,1) is never used below the diagonal and (1,0) is never used above the diagonal. A285673

Primes p such that σ(2·p+1) > 3*(p+1). A67826