Properties of the Number 6885

Six Thousand Eight Hundred Eighty-Five

Basics

Value: 6884 → 6885 → 6886

Parity: odd

Prime: No

Previous Prime: 6883

Next Prime: 6899

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 × 17

Divisors: 1, 3, 5, 9, 15, 17, 27, 45, 51, 81

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011100101

Octal: 15345

Duodecimal: 3B99

Hexadecimal: 1ae5

Square: 47403225

Square Root: 82.97590011563598

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) = ∑_k=0..5 binomial(n,k). A6261

a(n) = (2·n+5)*(2·n+1). A78371

Row sums of A159841. A160906

Numbers k for which nontrivial positive magic squares of exactly 8 different orders with magic sum k exist. For a definition of nontrivial positive magic squares, see A125005. A125015

Reverse and add (in binary) - written in base 10. A35522

Values of n such that there are exactly 10 solutions to x² - y² = n with x > y >= 0. A257417

Number of vertices among all distinct circles that can be constructed from an n X n square grid of points when each pair of points is connected by a circle and the points lie at the ends of a diameter of the circle. A360351

Number of degree-n irreducible polynomials over GF(2) with trace = 0 and subtrace = 0. A42980

Consecutive states of the linear congruential pseudo-random number generator for 16-bit WATFOR/WATFIV when started at 1. A384158

Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 1. A42982