Properties of the Number 86844

Eighty-Six Thousand Eight Hundred Forty-Four

Basics

Value: 86843 → 86844 → 86845

Parity: even

Prime: No

Previous Prime: 86843

Next Prime: 86851

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7237

Divisors: 1, 2, 3, 4, 6, 12, 7237, 14474, 21711, 28948

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001100111100

Octal: 251474

Duodecimal: 42310

Hexadecimal: 1533c

Square: 7541880336

Square Root: 294.6930606580345

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

Total number of colors in all colored integer partitions of n using all colors of an initial interval of the color palette such that each block of part i with multiplicity j has a pattern of i·j distinct colors in increasing order. A326649

Number of 7-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187177

Numbers k such that 7·R_k - 20 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256830

Odd numbers m such that the sequence defined by b(1) = m; for k>1, b(k) = floor((1+sqrt(3))*b(k-1)) contains only odd numbers. A86844