Properties of the Number 91443

Ninety-One Thousand Four Hundred Forty-Three

Basics

Value: 91442 → 91443 → 91444

Parity: odd

Prime: No

Previous Prime: 91433

Next Prime: 91453

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 11 × 17 × 163

Divisors: 1, 3, 11, 17, 33, 51, 163, 187, 489, 561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10110010100110011

Octal: 262463

Duodecimal: 44B03

Hexadecimal: 16533

Square: 8361822249

Square Root: 302.39543647350234

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

Decimal expansion of (91443+58282·sqrt(2))/199². A159550

Nonnegative values·of solutions (x, y) to the Diophantine equation x² + (x+199)² = y². A129993

Multiperfect numbers n which are divisible by sopfr(n) (multiperfect number: σ(n) = k·n with k integer, sopfr: Sum of prime factors with repetition). A91443

Decimal expansion of (201 + 20·sqrt(2))/199. A159549

Positive numbers y such that y² is of the form x²+(x+199)² with integer x. A159548