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Properties of the Number 5818

Five Thousand Eight Hundred Eighteen

Basics

Value: 5817 → 5818 → 5819

Parity: even

Prime: No

Previous Prime: 5813

Next Prime: 5821

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 2909

Divisors: 1, 2, 2909, 5818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011010111010

Octal: 13272

Duodecimal: 344A

Hexadecimal: 16ba

Square: 33849124

Square Root: 76.27581530209953

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

Number T(n,k) of colored integer partitions of n using all colors of a k-set such that all parts have different color patterns and a pattern for part i has i colors in (weakly) increasing order; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A327116
T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284199
T(n,k)=Number of nXk 0..4 arrays of sums of 2X2 subblocks of some (n+1)X(k+1) binary array with rows and columns of the latter in lexicographically nondecreasing order. A226992
Reversible Smith numbers, i.e., Smith numbers whose reversal is also a Smith number. A104171
a(n) = 20·a(n-1) - 64·a(n-2) + 2 for n > 1; a(0) = 1, a(1) = 21. A167032
Bases b for which there exists an integer y such that y3 in base b looks like [c,d,c,d] for some base-b digits c, d. A290176
Number of finite sets of positive integers whose right half (exclusive) sums to n. A360954
Row sums of A095167. A95170
Numbers n such that 4n + 1, 4n + 2 and 4n + 3 are not squarefree. A258332
p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = 1 - S - S2 - S3. A292322