Properties of the Number -1203

Two Hundred Three

Basics

Value: -1204 → -1203 → -1202

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 401

Divisors: 1, 3, 401, 1203

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10010110011

Octal: -2263

Duodecimal: -843

Hexadecimal: -4b3

Square: 1447209

Square Root: 34.68429039204925

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

Triangle, matrix inverse of A124733, companion to A123965. A126124

Expansion of q^-2/5 * (r(q²) - r(q)²) / 2 in powers of q where r() is the Rogers-Ramanujan continued fraction. A285554

Triangle T(n,k), read by rows, defined by T(n,k)=3·T(n-1,k)-T(n-1,k-1)-T(n-2,k), T(0,0)=1, T(1,0)=2, T(1,1)=-1, T(n,k)=0 if k<0 or if k>n. A123971

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 297", based on the 5-celled von Neumann neighborhood. A271151

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 489", based on the 5-celled von Neumann neighborhood. A272513

Numbers whose sum of digits is 6. A52220

Numbers m such that the Bernoulli number B_2·m has denominator 42. A51227

Coordination sequence for (2,6,infinity) tiling of hyperbolic plane. A265070

a(n) = 2·n² - 2·n + 3. A97080

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = [x^n²] (1 + theta₃(x))^k/(2^k*(1 - x)), where theta₃() is the Jacobi θ function. A302998