Properties of the Number 13494

Thirteen Thousand Four Hundred Ninety-Four

Basics

Value: 13493 → 13494 → 13495

Parity: even

Prime: No

Previous Prime: 13487

Next Prime: 13499

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 13 × 173

Divisors: 1, 2, 3, 6, 13, 26, 39, 78, 173, 346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010010110110

Octal: 32266

Duodecimal: 7986

Hexadecimal: 34b6

Square: 182088036

Square Root: 116.16367762773353

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

Numbers k such that the k-th Euclid number A006862(k) = 1 + (Product of first k primes) is prime. A14545

a(n) = ∑_k=0..n-3 T(n,k) * T(n,k+3), with T given by A026615. A26959

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7. A252679

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 0 vertically. A207242

Numbers k such that 7·10^k + 1 is prime. A56804

Molien series for 3-D group X1. A37240

Numbers k such that 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)-1 and 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)+1 are twin primes with p(h) = h-th prime. A129311

Number of lines through at least 2 points of a 7 X n grid of points. A160847

Square array read by antidiagonals upwards in which T(n,m) is the n-th number whose symmetric representation of σ consists of m copies of unimodal pattern 121 (separated by 0's if m > 1). A372180

Number of proper factorizations of p1ⁿ*p2³, where p1 and p2 are distinct primes. A31126