Properties of the Number 16291

Sixteen Thousand Two Hundred Ninety-One

Basics

Value: 16290 → 16291 → 16292

Parity: odd

Prime: No

Previous Prime: 16273

Next Prime: 16301

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 1481

Divisors: 1, 11, 1481, 16291

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111110100011

Octal: 37643

Duodecimal: 9517

Hexadecimal: 3fa3

Square: 265396681

Square Root: 127.63620176109912

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

a(n) = 8·n² + 2·n + 1. A188135

Positive integers of the form (7·m²+1)/11. A179370

Number of square multiset partitions of integer partitions of n. A323531

a(n) = (8*(2ⁿ) - n² - 3·n - 6)/2. A48492

a(n) = (p² - p + 2)/2 for p = prime(n); number of squares modulo p². A72205

Nonprime numbers with all divisors starting and ending with digit 1. A208261

Values of w(k) when w(k-2), w(k-1), and w(k) are all odd, where w is A336957. A338071

A linear recurrence related to the elliptic curves y² = x³ -35·a²*x - 98·a³ with a = -1, -5, -6, -17, or -111. A267437

Composite numbers k with its divisors having the property that the last digit of every divisor is the same as the first digit of the next divisor. A307858

Gray code of Fibonacci(n). A255919