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Properties of the Number 6854

Six Thousand Eight Hundred Fifty-Four

Basics

Value: 6853 → 6854 → 6855

Parity: even

Prime: No

Previous Prime: 6841

Next Prime: 6857

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 23 × 149

Divisors: 1, 2, 23, 46, 149, 298, 3427, 6854

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1101011000110

Octal: 15306

Duodecimal: 3B72

Hexadecimal: 1ac6

Square: 46977316

Square Root: 82.78888814327681

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

Generalized 29-gonal (or icosienneagonal) numbers: m*(27·m - 25)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303815
Numbers n such that Bernoulli number Bn has denominator 282. A272184
Number of forests of rooted trees with n nodes on a circle without crossing edges. A54727
T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281563
McKay-Thompson series of class 9B for the Monster group. A58091
T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,0 0,2 -1,-2 or 1,0. A264520
Numbers n such that Q(sqrt(n)) has class number 10. A218042
29-gonal numbers: a(n) = n*(27·n-25)/2. A255187
Sphenic numbers (A007304) whose neighbors are sphenic. A248202
Numbers that are the sum of nine fourth powers in six or more ways. A345590