Properties of the Number 80409

Eighty Thousand Four Hundred Nine

Basics

Value: 80408 → 80409 → 80410

Parity: odd

Prime: No

Previous Prime: 80407

Next Prime: 80429

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 ² × 547

Divisors: 1, 3, 7, 21, 49, 147, 547, 1641, 3829, 11487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101000011001

Octal: 235031

Duodecimal: 3A649

Hexadecimal: 13a19

Square: 6465607281

Square Root: 283.56480740740733

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

n for which floor((4/3)ⁿ) is prime. A70762

a(n) = ceiling(a(n-1)^4/3 + a(n-2)^4/3), with a(0) = a(1) = 1. A114957

Decimal expansion of the number which results when the Boustrophedon transform of the continued fraction of e (A080408, A003417) is interpreted as a continued fraction. A80409