Properties of the Number -89497

Eighty-Nine Thousand Four Hundred Ninety-Seven

Basics

Value: -89498 → -89497 → -89496

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 31 × 2887

Divisors: 1, 31, 2887, 89497

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101110110011001

Octal: -256631

Duodecimal: -43961

Hexadecimal: -15d99

Square: 8009713009

Square Root: 299.1604920439863

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 of numbers T(n,k) = number of permutations of (1,2,...,n) with longest increasing subsequence of length k (1<=k<=n). A47874

Number of permutations of length n with longest increasing subsequence of length 3. A1454

Number of n X 2 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,3,2,1,0 for x=0,1,2,3,4. A197211

Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) is the trace of M(n)^-8. A114360

Triangle of numbers read by rows: T(n,k) = number of permutations σ of (1,2,...,n) with n - {length of longest increasing subsequence in σ} = k (0<=k<=n-1). A126065

Row sums of A050157. A296771

a(n) = ∑_{k=0..floor((n+1)/2)} (k+1) * A008315(n, k). A27305