Properties of the Number -243040

Two Hundred Forty-Three Thousand Forty

Basics

Value: -243041 → -243040 → -243039

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 5 × 7 ² × 31

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -111011010101100000

Octal: -732540

Duodecimal: -B8794

Hexadecimal: -3b560

Square: 59068441600

Square Root: 492.99087212645225

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

Coefficients in quasimodular form F₂(q) of level 1 and weight 6. A126858

Triangle read by rows: T(n,k) = number of crossing connected diagrams in a disk having n crossings and k chords. A232227

Triangle T(n,k): the coefficient of [tⁿ] [x^k] of 2ⁿ⁺⁵ *n! *exp(t*(1+t)*x) / (3+exp(t*(1+t))). A178603

Number of nX7 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281562

Number of 5Xn 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281567