Properties of the Number 80188

Eighty Thousand One Hundred Eighty-Eight

Basics

Value: 80187 → 80188 → 80189

Parity: even

Prime: No

Previous Prime: 80177

Next Prime: 80191

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 20047

Divisors: 1, 2, 4, 20047, 40094, 80188

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100100111100

Octal: 234474

Duodecimal: 3A4A4

Hexadecimal: 1393c

Square: 6430115344

Square Root: 283.17485764099894

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

Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A299192

Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A299193

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A299194

Primes p such that 13 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248). A80188