Properties of the Number 28117

Twenty-Eight Thousand One Hundred Seventeen

Basics

Value: 28116 → 28117 → 28118

Parity: odd

Prime: No

Previous Prime: 28111

Next Prime: 28123

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 31 × 907

Divisors: 1, 31, 907, 28117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110111010101

Octal: 66725

Duodecimal: 14331

Hexadecimal: 6dd5

Square: 790565689

Square Root: 167.68124522438399

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 n such that the numbers of divisors of n,n+1,n+2 and n+3 are k,2k,4k,8k respectively for some k. A100364

Expansion of (1-x)^-1/(1-2·x²-2·x³). A77879

Number of 2 X 2 matrices M with terms in {1,...,n} such that permanent(M) > n. A212241

Number of partitions of subsets of [n] containing n > 0, where consecutive integers are required to be in different parts. A376077

Number of 2 X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors. A232048

Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes. A376352

Number of base 19 circular n-digit numbers with adjacent digits differing by 7 or less. A125431

Number of nonnegative solutions to x² + y² + z² < n². A218711

Expansion of 1/((1-4x)(1-5x)(1-7x)(1-10x)). A28117