Properties of the Number -1013

Thirteen

Basics

Value: -1014 → -1013 → -1012

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 1013

Divisors: 1, 1013

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -1111110101

Octal: -1765

Duodecimal: -705

Hexadecimal: -3f5

Square: 1026169

Square Root: 31.827660925679098

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

Triangle built from partial sums of Catalan numbers multiplied by powers of nonpositive numbers. A112707

a(n) = -n² + 9·n + 23. A126719

Dirichlet convolution of A000027 (identity function) with A349452 (Dirichlet inverse of A011782, 2^n-1). A349569

a(n) = A294898(A122111(n)). A323167

Triangle read by rows, application of the transformation A337966 to Euler's triangle A173018. T(n, k) for 0 <= k <= n. A337967

An accelerator sequence for Catalan's constant. A94650

G.f.: ∏_m>0 (1 - x^m + 2!*x^2·m - 3!*x^3·m + 4!*x^4·m). A293256

Numerator of the coefficient [x²ⁿ⁺¹] of tanh(cosec(x)-coth(x)). A13544

Partial sums of Catalan numbers A000108 multiplied by powers of -6. A113265