Properties of the Number 80500

Eighty Thousand Five Hundred

Basics

Value: 80499 → 80500 → 80501

Parity: even

Prime: No

Previous Prime: 80491

Next Prime: 80513

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 ³ × 7 × 23

Divisors: 1, 2, 4, 5, 7, 10, 14, 20, 23, 25

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101001110100

Octal: 235164

Duodecimal: 3A704

Hexadecimal: 13a74

Square: 6480250000

Square Root: 283.72521918222213

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

Convolution of A000203 with itself. A385

a(n) = n*(n-1)*(n+1)*(3·n-2)/12. A153978

Number of (w,x,y,z) with all terms in {1,...,n} and 2∣w-x|>=n+|y-z|. A212688

a(n) = 2*(3·n+1)*(9·n+8). A304506

a(n) = (n-1)(n-4)(n-9)...(n-k²) where k² < n <= (k+1)². A80500