Properties of the Number -2103

One Hundred Three

Basics

Value: -2104 → -2103 → -2102

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 701

Divisors: 1, 3, 701, 2103

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000110111

Octal: -4067

Duodecimal: -1273

Hexadecimal: -837

Square: 4422609

Square Root: 45.858477951192405

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

This table (read by rows) shows the coefficients of sum formulas of n-th subfactorial numbers (A000166). The n-th row (n>=1) contains T(i,n) for i=1 to n, where T(i,n) satisfies Subf(n) = ∑_i=1..n T(i,n) * n^n-i. A101559

Expansion of x²*(-3+4·x)/(1-x³+x⁴). A110061

G.f. A(x) satisfies 1 = Sum{n=-oo..+oo} (xⁿ - 2·x*A(x)ⁿ)ⁿ. A383564

Fibonacci central tridiagonal matrices as a triangular sequence from a recursive polynomial definition. A123974

Twice-partitioned numbers where the first partition is strict and the latter partitions are constant. A279786

Coordination sequence for (2,3,8) tiling of hyperbolic plane. A265058

Number of fully normal integer partitions of n. A317491

Values of n such that L(11) and N(11) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227449

Numbers whose base-2 and base-10 expansions have the same digit sum. A37308

Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to lower right corner. A391489