Properties of the Number 81041

Eighty-One Thousand Forty-One

Basics

Value: 81040 → 81041 → 81042

Parity: odd

Prime: Yes

Previous Prime: 81031

Next Prime: 81043

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 81041

Divisors: 1, 81041

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110010010001

Octal: 236221

Duodecimal: 3AA95

Hexadecimal: 13c91

Square: 6567643681

Square Root: 284.6770099604111

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

Prime quadruples: numbers k such that k, k+2, k+6, k+8 are all prime. A7530

Primes at which the difference pattern X,2,4,2,Y (X and Y >= 6) occurs in A001223. A52165

Numbers k such that (41^k - 3^k)/38 is prime. A389223

6th binomial transform of (1,5,0,0,0,0,0,0,...). A81041