Properties of the Number 37891

Thirty-Seven Thousand Eight Hundred Ninety-One

Basics

Value: 37890 → 37891 → 37892

Parity: odd

Prime: No

Previous Prime: 37889

Next Prime: 37897

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 7 × 5413

Divisors: 1, 7, 5413, 37891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010000000011

Octal: 112003

Duodecimal: 19B17

Hexadecimal: 9403

Square: 1435727881

Square Root: 194.6561070195333

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 partitions p of n such that (number of numbers of the form 5k + 1 in p) is a part of p. A241550

Number of scalene triangles, distinct up to congruence, on an n X n grid (or geoboard). A190313

Number of nX6 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero. A301788

Number of walks within N² (the first quadrant of Z²) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 0), (0, -1), (0, 1), (1, 0), (1, 1)}. A151455

a(n)=(1/2)*Sum{|d(i)-e(i)|} where Sum{d(i)*5ⁱ} is the base 5 representation of n and e(i) are the digits d(i) in reverse order. A37891