Properties of the Number -7041

Forty-One

Basics

Value: -7042 → -7041 → -7040

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 2347

Divisors: 1, 3, 2347, 7041

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1101110000001

Octal: -15601

Duodecimal: -40A9

Hexadecimal: -1b81

Square: 49575681

Square Root: 83.91066678319271

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

G.f.: ∏_k>=1 1/(1+x^k)^k. A255528

Number of orderless same-trees of weight n. A289078

a(1) = 7; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46257

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one. A206054

Number of ON cells at n-th stage in simple 2-dimensional cellular automaton (see Comments lines for definition). A256530

Average of terms of n-th row of A077321. A77325

n times n+7 gives the concatenation of two numbers m and m+6. A116332

a(n) = ∑_k=1..n (-1)^k-1 * binomial(floor(n/k)+2,3). A366395

a(n) = ∑_{k=0..floor(n/2)} binomial(k+2,2) * binomial(k,2*(n-2·k)). A392252

a(n) = T(2n,n-3), T given by A026725. A26842