Properties of the Number 26269

Twenty-Six Thousand Two Hundred Sixty-Nine

Basics

Value: 26268 → 26269 → 26270

Parity: odd

Prime: No

Previous Prime: 26267

Next Prime: 26293

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 109 × 241

Divisors: 1, 109, 241, 26269

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110011010011101

Octal: 63235

Duodecimal: 13251

Hexadecimal: 669d

Square: 690060361

Square Root: 162.077142126828

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

Small-number statistic from the enumeration of domino tilings of a 3-pillow of order n. A112835

Expansion of (5 + 6·x + 3·x² - 2·x³) / (1 - 2·x - 2·x² - 2·x³ + x⁴) in powers of x. A71101

a(n) = 2·a(n-1) + 2·a(n-2) + 2·a(n-3) - a(n-4); a(0)=0, a(1)=1, a(2)=2, a(3)=5. A138573

Consider a number x. Take the sum of its digits. Repeat the process deleting the first addendum and adding the previous sum. The sequence lists the numbers that after some iterations reach the arithmetic derivative of x. A269312

Given the infinite continued fraction (1+i)+((1+i)/(1+i)+((1+i)/((1+i)+...)))), where i is the square root of (-1), this is the denominator of the convergents. A93727

a(n) = 24·n² + 52·n + 29. A258721

Number of valleys (i.e., (1,-1) followed by (1,1)) at level zero in all peakless Motzkin paths of length n+6 (can be easily translated into RNA secondary structure terminology). A110335

A024581 / [1,2,3,...]. A153582

Expansion of x * (1 + x) * (1 - x²) * (1 + x³) / (1 - 2·x² - 2·x⁴ - 2·x⁶ + x⁸) in powers of x. A206625

Number of length 5+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four. A249661