Properties of the Number 71345

Seventy-One Thousand Three Hundred Forty-Five

Basics

Value: 71344 → 71345 → 71346

Parity: odd

Prime: No

Previous Prime: 71341

Next Prime: 71347

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 19 × 751

Divisors: 1, 5, 19, 95, 751, 3755, 14269, 71345

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011010110001

Octal: 213261

Duodecimal: 35355

Hexadecimal: 116b1

Square: 5090109025

Square Root: 267.1048483273937

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

G.f. A(x) satisfies A(x) = 1 + x * ((1 - x) / A(x))^5/2. A366435

a(n) = sum of terms in n-th row of A078448. A78449

a(n) = the maximum number of lattice points touched by an origin-centered 4d-sphere with radius <= n. A71345

Number of length n+4 0..6 arrays with no five consecutive elements with pattern ababa or abbba (possibly a=b) and new values 0..6 introduced in 0..6 order. A244181