Properties of the Number -2682

Six Hundred Eighty-Two

Basics

Value: -2683 → -2682 → -2681

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 149

Divisors: 1, 2, 3, 6, 9, 18, 149, 298, 447, 894

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001111010

Octal: -5172

Duodecimal: -1676

Hexadecimal: -a7a

Square: 7193124

Square Root: 51.78802950489621

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

Expansion of ∏_k>=1 ((1 + x^2·k-1)/(1 + x^2·k))^k. A296047

Integers k such that 10^k+19 is a prime number. A108052

Difference between the arithmetic mean of the neighbors of the terms and the term itself follows the pattern 0,1,2,3,4,5,... A86514

Numbers m such that there are precisely 10 groups of order m. A249553

Euler-φ of these numbers is a decimal repdigit. A96503

Non-deficient numbers with even σ which are not Zumkeller. A171641

Triangle read by rows: T(n,k) (n>=0, k>=0) is the number of permutations of n and k occurrences of the pattern 312. A263771

Sum of the n-th maximal antirun of odd primes differing by more than two. A373405

Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by decreasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows. A319375

Triangle of 2-Eulerian numbers. A144696