Properties of the Number 73143

Seventy-Three Thousand One Hundred Forty-Three

Basics

Value: 73142 → 73143 → 73144

Parity: odd

Prime: No

Previous Prime: 73141

Next Prime: 73181

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 7 × 43

Divisors: 1, 3, 7, 9, 21, 27, 43, 63, 81, 129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110110110111

Octal: 216667

Duodecimal: 363B3

Hexadecimal: 11db7

Square: 5349898449

Square Root: 270.44962562370097

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

Triangle read by rows: S_B(n,k) = "Type B" Stirling numbers of the second kind. A85483

Numbers k such that A073142(n) = f^k(A073142(n)), where f: m -> |m - reverse(m)|. A73143

a(n) is the smallest integer k such that the polynomial x^k + 1 over the integers mod 2 has exactly n distinct irreducible factors. A175198