Properties of the Number -16897

Sixteen Thousand Eight Hundred Ninety-Seven

Basics

Value: -16898 → -16897 → -16896

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 61 × 277

Divisors: 1, 61, 277, 16897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001000000001

Octal: -41001

Duodecimal: -9941

Hexadecimal: -4201

Square: 285508609

Square Root: 129.98846102635417

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

List of quadruples (r,s,t,u): the matrix M = [[4,12,9][2,5,3][1,2,1]] is raised to successive negative powers, then (r,s,t,u) are the square roots of M[1,3], M[1,1], M[3,3], M[3,1] respectively. A249580

a(n) = ∑_k=1..n (-1)^k*k³*floor(n/k). A366917

Numbers that are the sum of 6 positive 7th powers. A3373

a(n) = 3·a(n-1) + a(n-2), with a(1)=1 and a(2)=4. A3688

Array read by antidiagonals: T(m,n) is the number of independent sets in the stacked prism graph C_m X P_n. A286513

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 or 0111. A259427

Fixed-k dispersion for Q = 13: array D(g,h) (g, h >= 1), read by ascending antidiagonals. A120863

Centered 32-gonal numbers. A195315

Smallest number that requires n iterations of the bi-unitary totient function (A116550) to reach 1. A5424

a(n) = n-th centered n-gonal number. A100119