Properties of the Number -11811

Eleven Thousand Eight Hundred Eleven

Basics

Value: -11812 → -11811 → -11810

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 31 × 127

Divisors: 1, 3, 31, 93, 127, 381, 3937, 11811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111000100011

Octal: -27043

Duodecimal: -6A03

Hexadecimal: -2e23

Square: 139499721

Square Root: 108.67842472174502

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

Elliptic net associated to y² + y = x³ + x² - 2·x, based on the non-torsion generator points P = [0, 0] and Q = [1, 0]. A374833

Triangle of Gaussian binomial coefficients (or q-binomial coefficients) [n,k] for q = 2. A22166

Numbers that are a product of distinct Mersenne primes (elements of A000668). A46528

Strobogrammatic numbers: the same upside down. A787

Gaussian binomial coefficient [n, 3] for q = 2. A6096

Gaussian binomial coefficient [n, 4] for q = 2. A6097

Number of sublattices of index n in generic 4-dimensional lattice. A38991

Number of sublattices of index n in generic 5-dimensional lattice. A38992

Vertically symmetric numbers. A53701

Numbers with mirror symmetry about middle. A6072