Properties of the Number 26931

Twenty-Six Thousand Nine Hundred Thirty-One

Basics

Value: 26930 → 26931 → 26932

Parity: odd

Prime: No

Previous Prime: 26927

Next Prime: 26947

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 47 × 191

Divisors: 1, 3, 47, 141, 191, 573, 8977, 26931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100100110011

Octal: 64463

Duodecimal: 13703

Hexadecimal: 6933

Square: 725278761

Square Root: 164.10667262485094

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 n-bead necklaces with beads of 2 colors and primitive period n, when turning over is allowed. A1371

a(n) = 997·n + 1009. A100776

Number of partitions satisfying cn(2,5) + cn(3,5) <= cn(0,5) + cn(1,5) + cn(4,5). A39867

Number of primitive (period n) bracelets using exactly two different colored beads. A56348

Number of isomers of polyhex hydrocarbons with C_2h symmetry with nineteen hexagons. A120386

Triangular array T read by rows: T(n,k) = number of partitions of n into an odd number of parts, each <= k. A26931