Properties of the Number -6209

Two Hundred Nine

Basics

Value: -6210 → -6209 → -6208

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 887

Divisors: 1, 7, 887, 6209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1100001000001

Octal: -14101

Duodecimal: -3715

Hexadecimal: -1841

Square: 38551681

Square Root: 78.79720807236764

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

a(n) = n!*L_n(1), where L_n(x) is the n-th Laguerre polynomial. A9940

Numbers k such that binomial(2k,k)+1 is prime. A66699

Number of widely totally strongly normal compositions of n. A332337

Total number of ON cells at stage 2n of two-dimensional 5-neighbor outer totalistic cellular automaton defined by "Rule 453". A246325

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 2,4,1,0,1 for x=0,1,2,3,4. A197373

Numbers that are the sum of nine fifth powers in two or more ways. A345619

Numbers that are the sum of nine fifth powers in exactly two ways. A346337

a(n) = 6·n² - 10·n + 5. A136392

Determinant of the n X n matrix with (i,j)-entry equal to A008683(i+j-1) for all i,j = 1..n. A228548

a(n) = least m such that if r and s in {1/1, 1/4, 1/7, ..., 1/(3n-2)} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k. A24836