Properties of the Number 1394

One Thousand Three Hundred Ninety-Four

Basics

Value: 1393 → 1394 → 1395

Parity: even

Prime: No

Previous Prime: 1381

Next Prime: 1399

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 17 × 41

Divisors: 1, 2, 17, 34, 41, 82, 697, 1394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110010

Octal: 2562

Duodecimal: 982

Hexadecimal: 572

Square: 1943236

Square Root: 37.33630940518894

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

sigma₄(n): sum of 4th powers of divisors of n. A1159

Sequence and first differences (A030124) together list all positive numbers exactly once. A5228

a(n) = 2*(3ⁿ) - 2ⁿ. A27649

Array read by downwards antidiagonals: sigma_k(n) for n >= 1, k >= 0. A109974

Array read by antidiagonals: poly-Bernoulli numbers B(-k,n). A99594

A B₂ sequence: a(n) is the least value such that sequence increases and pairwise sums of elements are all distinct. A25582

a(n) = n*(n+7). A28563

Square array A(n,k), n>=0, k>=0, read by antidiagonals: A(n,k) is the number of k-element subsets that can be chosen from {1,2,...,k·n} having element sum k*(k·n+1)/2. A204459

Partial sums of the squarefree numbers, A005117. A173143

Numbers h such that h and h-1 have same antiharmonic mean of the numbers k < h such that gcd(k, h) = 1 and simultaneously this mean is an integer (see A179882). A179878