Properties of the Number 81043

Eighty-One Thousand Forty-Three

Basics

Value: 81042 → 81043 → 81044

Parity: odd

Prime: Yes

Previous Prime: 81041

Next Prime: 81047

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 81043

Divisors: 1, 81043

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011110010010011

Octal: 236223

Duodecimal: 3AA97

Hexadecimal: 13c93

Square: 6567967849

Square Root: 284.6805226916657

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

Primes of the form 2·n² + 90·n + 43. A217621

Prime quadruples: 2nd term. A136720

8th binomial transform of (1,7,0,0,0,0,0,...). A81043

Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock summing to 2 4 or 6. A251330