Properties of the Number -211121

Two Hundred Eleven Thousand One Hundred Twenty-One

Basics

Value: -211122 → -211121 → -211120

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 61 × 3461

Divisors: 1, 61, 3461, 211121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011100010110001

Octal: -634261

Duodecimal: -A2215

Hexadecimal: -338b1

Square: 44572076641

Square Root: 459.4790528413673

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

Fibonacci numbers written in base 3. A4686

Unique representation of nonnegative numbers by iterated tribonacci A, B and C sequences. A316713

T(n,k)=Number of nXk 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order. A273968

A monotonic doubly-fractal simple sequence. Erase the last (rightmost) digit of every integer: what is left is the sequence itself. The erased digits, one by one, form also the sequence itself. A127199

a(n) = Fibonacci(n) represented in bijective base-3 numeration. A282234

Positive numbers n such that (digitsum(n))² equals (product of digits(n))³. A261778

Number of nX4 0..1 arrays with every element unequal to 2 or 3 horizontally or vertically adjacent elements, with upper left element zero. A303632

List of Nyldon words over {1,2}. A328073

Number of nX3 0..3 arrays with no three equal values forming an isosceles triangle, and new values introduced in 0..3 order. A273966