Properties of the Number 27685

Twenty-Seven Thousand Six Hundred Eighty-Five

Basics

Value: 27684 → 27685 → 27686

Parity: odd

Prime: No

Previous Prime: 27673

Next Prime: 27689

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 ² × 113

Divisors: 1, 5, 7, 35, 49, 113, 245, 565, 791, 3955

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110110000100101

Octal: 66045

Duodecimal: 14031

Hexadecimal: 6c25

Square: 766459225

Square Root: 166.388100536066

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

Number of primitive (period n) periodic palindromic structures using a maximum of four different symbols. A56515

a(n) = the smallest multiple of the n-th prime such that (a(n)+1) is divisible by both the (n-1)th prime and the (n+1)st prime. A143243

Positive numbers y such that y² is of the form x²+(x+343)² with integer x. A157246

Isomers of deoxyaldytols. A323935

a(n) = smallest number m > 0 such that n followed by m 9's yields a prime, or -1 if no such m exists. A373201

Number of independent subsets of 4ⁿ torus graph. A27685