Properties of the Number 71393

Seventy-One Thousand Three Hundred Ninety-Three

Basics

Value: 71392 → 71393 → 71394

Parity: odd

Prime: No

Previous Prime: 71389

Next Prime: 71399

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 ² × 31 × 47

Divisors: 1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011011100001

Octal: 213341

Duodecimal: 35395

Hexadecimal: 116e1

Square: 5096960449

Square Root: 267.1946855758924

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

Conjectured record minima of the positive distance d between the square of an integer y and the fifth power of a positive integer·such that d = y² - x⁵ (x <> k² and y <> k⁵). A198443

Denominators of continued fraction convergents to sqrt(113). A41205

a(n) is the permanent of the unipotent Sylvester-Kac tridiagonal matrix of order n having main diagonal [0, 2, ..., 2*(n-1)], superdiagonal [1, 2, ..., n-1], and [subdiagonal 1-n, 2-n, ..., -1]. A390821

Number of nX4 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A316928

Reverse of largest prime factor of n = smallest prime factor of n+1; a(1)=1. A71393