Properties of the Number -19212

Nineteen Thousand Two Hundred Twelve

Basics

Value: -19213 → -19212 → -19211

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 1601

Divisors: 1, 2, 3, 4, 6, 12, 1601, 3202, 4803, 6404

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101100001100

Octal: -45414

Duodecimal: -B150

Hexadecimal: -4b0c

Square: 369100944

Square Root: 138.60735911198944

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

Number of semi-magic (only short lines are magic) knight's tours on a 4 X 2n board. A328816

Number of semi-magic (only short lines are magic) knight's tours on a 4 X n board. A309273

Antidiagonal sums of A147995 and A163545. A163484

Numbers k such that 3^k + 100 is prime. A219618

Numbers n such that the sum of the numbers in the Collatz (3x+1) iteration of n is a perfect square. A225866

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood. A270687

Numbers k such that k⁷ - 1 and k⁷ + 1 are semiprimes. A279272

a(n) is the total surface area of a hollow cubic block (defined as a block with a shell thickness of 1 cube) where n is the edge length of the removed volume. A309842

Members of A014574 with sum of prime factors (with multiplicity) also in A014574. A349455