Properties of the Number 26841

Twenty-Six Thousand Eight Hundred Forty-One

Basics

Value: 26840 → 26841 → 26842

Parity: odd

Prime: No

Previous Prime: 26839

Next Prime: 26849

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23 × 389

Divisors: 1, 3, 23, 69, 389, 1167, 8947, 26841

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100011011001

Octal: 64331

Duodecimal: 13649

Hexadecimal: 68d9

Square: 720439281

Square Root: 163.83223126112884

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

Number of integer partitions of n with fewer distinct parts than distinct divisors of parts. A371132

Row sums of triangle A115237. A115238

Number of unitary factorizations of Heinz numbers of integer partitions of n. Number of multiset partitions of integer partitions of n with pairwise disjoint blocks. A305106

Number of length 5+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third. A248438

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 585", based on the 5-celled von Neumann neighborhood. A273075

a(n) is the least k such that A345468(k) = 2·n-1. A345469

Expansion of (1-x)^-1/(1+2·x+2·x²-x³). A77933

Number of permutations of length n which avoid the patterns 1234, 2431, 4231. A116783

a(n) = T(2n,n-4), T given by A026725. A26841