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Properties of the Number 13791

Thirteen Thousand Seven Hundred Ninety-One

Basics

Value: 13790 → 13791 → 13792

Parity: odd

Prime: No

Previous Prime: 13789

Next Prime: 13799

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 4597

Divisors: 1, 3, 4597, 13791

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010111011111

Octal: 32737

Duodecimal: 7B93

Hexadecimal: 35df

Square: 190191681

Square Root: 117.43508845315355

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

Eight white kings and one red king on a 3 X 3 chessboard. G.f.: 1/(1-3·x-5·x2+4·x3). A179610
Semiprime numbers whose digit string can be partitioned into three parts such that the product of the first two parts equals the third part. A280636
Numbers k such that k and k+2 are both A000120-perfect numbers (A175522). A360639
Decimal representation of the middle column of the "Rule 167" elementary cellular automaton starting with a single ON (black) cell. A267581
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 718", based on the 5-celled von Neumann neighborhood. A273427
Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 4 1s. A295200
Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite WEI = Weinebeneite Ca4[Be12P8O32(OH)8].16H2O starting from a T1 atom. A19262
Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 78. A31576
Numbers whose base-4 representation contains exactly three 1's and four 3's. A45128
a(n) = 94·n + 3. A13791