Properties of the Number -2541

Five Hundred Forty-One

Basics

Value: -2542 → -2541 → -2540

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 11 ²

Divisors: 1, 3, 7, 11, 21, 33, 77, 121, 231, 363

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111101101

Octal: -4755

Duodecimal: -1579

Hexadecimal: -9ed

Square: 6456681

Square Root: 50.40833264451424

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 g.f.: -x*(1 - 2·x + 6·x² - 2·x³ + x⁴)/((1-x)³*(1+x)⁴). A122576

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3⁴.6 2D tiling (cf. A250120). A299254

Generalized 14-gonal numbers: m*(6·m-5), m = 0,+1,-1,+2,-2,+3,-3,... A195818

14-gonal (or tetradecagonal) numbers: a(n) = n*(6·n-5). A51866

a(n) = A005449(n) - 1, where A005449 = second pentagonal numbers. A95794

Main diagonal of array in A358304, divided by 2. A358307

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250691

a(n) = (2·n - 1)*n². A15237

Number of integer partitions of n with (1) as many odd parts as odd conjugate parts and (2) as many even parts as even conjugate parts. A351976

Number of terms in n-th derivative of a function composed with itself 7 times. A24207