Properties of the Number 13379

Thirteen Thousand Three Hundred Seventy-Nine

Basics

Value: 13378 → 13379 → 13380

Parity: odd

Prime: No

Previous Prime: 13367

Next Prime: 13381

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 17 × 787

Divisors: 1, 17, 787, 13379

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11010001000011

Octal: 32103

Duodecimal: 78AB

Hexadecimal: 3443

Square: 178997641

Square Root: 115.6676272774712

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 that are the sum of 4 nonzero 8th powers. A3382

Smallest number > 1 equal to sum of n-th powers of its base-8 digits, or 0 if no such number exists (written in base 10). A33840

Base 8 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-8 digits, for some k. A162231

Numbers that are the sum of nine fourth powers in nine or more ways. A345593

Numbers that are the sum of nine fourth powers in exactly nine ways. A345851

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299893

a(n) = 9·n² - 8·n + 2. A154254

Numerators of partial sums of Catalan numbers scaled by powers of -1/4. A120788

Denominators of the convergents given by treating A391217 as continued fraction coefficients after the leading 0. A392259

Number of nonempty subsets of {1, 2, ..., n} with <=7 pairwise coprime elements. A187268