Properties of the Number 80403

Eighty Thousand Four Hundred Three

Basics

Value: 80402 → 80403 → 80404

Parity: odd

Prime: No

Previous Prime: 80387

Next Prime: 80407

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 26801

Divisors: 1, 3, 26801, 80403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101000010011

Octal: 235023

Duodecimal: 3A643

Hexadecimal: 13a13

Square: 6464642409

Square Root: 283.5542276179285

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)*b(n-1), where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences. A296263

Numbers n such that both A000203(n) and A001157(n) are squarefree: sum of divisors and squares of divisors of n are squarefree. A80403