Properties of the Number 71891

Seventy-One Thousand Eight Hundred Ninety-One

Basics

Value: 71890 → 71891 → 71892

Parity: odd

Prime: No

Previous Prime: 71887

Next Prime: 71899

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 29 × 37 × 67

Divisors: 1, 29, 37, 67, 1073, 1943, 2479, 71891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100011010011

Octal: 214323

Duodecimal: 3572B

Hexadecimal: 118d3

Square: 5168315881

Square Root: 268.1249708624693

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

Sum of squares of first n positive integers congruent to 1 mod 3. A24215

Number of ways to tile an n X n X n triangular area with six 2 X 2 X 2 triangular tiles and an appropriate number (= n²-24) of 1 X 1 X 1 tiles. A286441

A071890(n)/A071889(n). A71891