Properties of the Number 26046

Twenty-Six Thousand Forty-Six

Basics

Value: 26045 → 26046 → 26047

Parity: even

Prime: No

Previous Prime: 26041

Next Prime: 26053

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1447

Divisors: 1, 2, 3, 6, 9, 18, 1447, 2894, 4341, 8682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010110111110

Octal: 62676

Duodecimal: 130A6

Hexadecimal: 65be

Square: 678394116

Square Root: 161.3877318757532

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) = a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2, and a(3) = 1. A50043

a(n) = 729·n - 198. A156772

Cycle of length 130 in the dynamical system A385938 starting from 26. A385893

Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down. A253218

a(n) is the number of divisors of n that are themselves divisible by the product of their digits. A335037

a(n) = dot_product(1,2,...,n)*(6,7,...,n,1,2,3,4,5). A26046

Triangular numbers k such that φ(k) is also a triangular number, where φ(k) is the Euler totient function (A000010). A287472