Properties of the Number 80189

Eighty Thousand One Hundred Eighty-Nine

Basics

Value: 80188 → 80189 → 80190

Parity: odd

Prime: No

Previous Prime: 80177

Next Prime: 80191

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 17 × 53 × 89

Divisors: 1, 17, 53, 89, 901, 1513, 4717, 80189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100100111101

Octal: 234475

Duodecimal: 3A4A5

Hexadecimal: 1393d

Square: 6430275721

Square Root: 283.17662332897464

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

Lucas-Carmichael numbers: squarefree composite numbers k such that p | k => p+1 | k+1. A6972

Bruckman-Lucas pseudoprimes: k | (L_k - 1), where k is composite and L_k = Lucas numbers A000032. A5845

Lucas-Carmichael numbers with 3 prime factors. A216925

Composite numbers k that divide Fibonacci(k+1). A69107

Odd composite n such that n divides Fibonacci(n) + 1. A94395

A051838 gives numbers m such that the sum of first m primes divides the product of the first m primes. This sequence gives corresponding values of the sum of first m primes. A140763

Sum of primes < 2ⁿ. A130739

Composite numbers k that divide both Fibonacci(k+1) and Fibonacci(k) + 1. A94411

Odd composite integers m such that F(m)² == 1 (mod m) and L(m) == 1 (mod m), where F(m) and L(m) are the m-th Fibonacci and Lucas numbers, respectively. A337625

Sum of primes < n². A139562