Properties of the Number -46620

Forty-Six Thousand Six Hundred Twenty

Basics

Value: -46621 → -46620 → -46619

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 7 × 37

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1011011000011100

Octal: -133034

Duodecimal: -22B90

Hexadecimal: -b61c

Square: 2173424400

Square Root: 215.91665058535898

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 read by rows: The n-th derivative of the logistic function written in terms of y, where y = 1/(1 + exp(-x)). A163626

Triangle of coefficients of polynomials H(n,x) formed from the first (n+1) terms of the power series expansion of ( -x/log(1-x) )ⁿ⁺¹, multiplied by n!. A75263

Triangle read by rows: the negative terms of A163626. A245602

a(n) = n*(n-1)*(n-2) (or n!/(n-3)!). A7531

Triangular array a(n,k) = (1/k)*∑_i=0..k (-1)^k-i*binomial(k,i)*iⁿ; n >= 1, 1 <= k <= n, read by rows. A28246

a(n) = 4^n-1 - 3·3^n-1 + 3·2^n-1 - 1 (essentially Stirling numbers of second kind). A28244

Triangle read by rows, 0 <= k <= n, T(n,k) = ∑_j=0..n A(n,j)*binomial(n-j,k) where A(n,j) are the Eulerian numbers A173018. A130850

A sum over partitions (q=6), see first comment. A221578

a(n) = (2n+1)*(2n+2)*(2n+3). A69072

Number of k-simplices in the first derived complex of the standard triangulation of an n-simplex. Equivalently, T(n,k) is the number of ascending chains of length k+1 of nonempty subsets of the set {1, 2, ..., n+1}. A53440