Properties of the Number 80800

Eighty Thousand Eight Hundred

Basics

Value: 80799 → 80800 → 80801

Parity: even

Prime: No

Previous Prime: 80789

Next Prime: 80803

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 5 ² × 101

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101110100000

Octal: 235640

Duodecimal: 3A914

Hexadecimal: 13ba0

Square: 6528640000

Square Root: 284.2534080710379

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

Numbers whose base 10 digits are a subset of {0, 8}. A204095

Numbers such that each digit is the sum of two or more other digits. A203591

8-digit numbers (padded with leading zeros where necessary) in which the sum of the number consisting of the first four digits and the number consisting of the last four digits equals the number consisting of the middle four digits. A293686

Numbers k such that sopfr(k) = sopf(k+1), where sopf(k) = A008472(k) and sopfr(k) = A001414(k). A64675

Numbers k which are concatenations k=x//y such that x² + y² is a multiple of k. A162463

Numbers k such that k, k + 1 and k + 2 are 3 consecutive Niven (Harshad) numbers that are also divisible by a square. A359839

a(n) = 80000·n² + 800·n + 1. A157664

Numbers n such that n+k-1 is the sum of two nonzero squares in exactly k ways for all k = 1, 2, 3. A273318

Similar to A080799 but count only division steps. A80800