Properties of the Number 81073

Eighty-One Thousand Seventy-Three

Basics

Value: 81072 → 81073 → 81074

Parity: odd

Prime: No

Previous Prime: 81071

Next Prime: 81077

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 17 × 19 × 251

Divisors: 1, 17, 19, 251, 323, 4267, 4769, 81073

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110010110001

Octal: 236261

Duodecimal: 3AB01

Hexadecimal: 13cb1

Square: 6572831329

Square Root: 284.73320846013024

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 days after Jan 01 1000 such that the date written in the ISO-8601-format YYYYMMDD is palindromic. A210883

Fibonacci(4n+2)+3, or Fibonacci(2n-1)*Lucas(2n+3). A81073

Areas of primitive Pythagorean triangles which are palindromes. A101439