Properties of the Number 73142

Seventy-Three Thousand One Hundred Forty-Two

Basics

Value: 73141 → 73142 → 73143

Parity: even

Prime: No

Previous Prime: 73141

Next Prime: 73181

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 36571

Divisors: 1, 2, 36571, 73142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110110110110

Octal: 216666

Duodecimal: 363B2

Hexadecimal: 11db6

Square: 5349752164

Square Root: 270.4477768442551

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

Expansion of ∏_k>=0 1/(1-x^5·k+1)^5·k+1. A285049

Numbers that have decimal expansion c(1)c(2)...c(n) with distinct digits that satisfy c(1) <> 0, c(1) is the largest digit, and for each i in 1..n there is j in 0..2 such that c(i) == 3·c(i-1) + j (mod 10) (with c(0): = c(n)). A336661

List of smallest solutions for some k of x = f^k(x), n <> f^j(n) for j < k, where f: m -> |m - reverse(m)|. A73142