Properties of the Number 28315

Twenty-Eight Thousand Three Hundred Fifteen

Basics

Value: 28314 → 28315 → 28316

Parity: odd

Prime: No

Previous Prime: 28309

Next Prime: 28319

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 809

Divisors: 1, 5, 7, 35, 809, 4045, 5663, 28315

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111010011011

Octal: 67233

Duodecimal: 14477

Hexadecimal: 6e9b

Square: 801739225

Square Root: 168.27061537891873

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

a(n) is the least k such that the remainder when 10^k is divided by k is n. A127818

Expansion of (1/x) * Series_Reversion( x * ((1-x)³-x) ). A369215

Group the composite numbers so that the sum of the n-th group is a multiple of the n-th prime: (4), (6), (8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22), (24, 25), (26, 27, 28, 30, 32), (33, 34, ...), ... Sequence gives the group sum divided by n-th prime for the n-th group. A74127

a(n) = 26·n² + 1. A158549

Antidiagonal sums of the convolution array A213778. A213780

Number of nX4 0..1 arrays with every element unequal to 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A305219

Number of length n+5 0..4 arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248485

Character of extremal vertex operator algebra of rank 35/2. A28540

T(n,k)=Number of length n+5 0..k arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248489

Odd elements in the 5-Pascal triangle A028313. A28315