Properties of the Number 27075

Twenty-Seven Thousand Seventy-Five

Basics

Value: 27074 → 27075 → 27076

Parity: odd

Prime: No

Previous Prime: 27073

Next Prime: 27077

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 19 ²

Divisors: 1, 3, 5, 15, 19, 25, 57, 75, 95, 285

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100111000011

Octal: 64703

Duodecimal: 13803

Hexadecimal: 69c3

Square: 733055625

Square Root: 164.54482671904336

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 ordered triples (w,x,y) with all terms in {1,...,n} and 2w<x+y. A182260

Numbers that are the sum of three squares in arithmetic progression. A292313

Expansion of ∏_k>=1 (1+x^k)^A001055(k). A66806

Integers k such that nextprime(k⁵) - prevprime(k⁵) = 4. A90123

Odd numbers n for which the number of iterations to reach the largest equals number of iterations to reach 1 from the largest in Collatz (3x+1) trajectory of n. A224533

3·h², where h is an odd integer not divisible by 3. A229852

Numbers n for which number of iterations to reach the largest equals number of iterations to reach 1 from the largest in Collatz (3x+1) trajectory of n. A224303

Numbers whose sum of triangular divisors is also a divisor and greater than 1. A209311

The sum of the totatives of n is a perfect cube. A237282

Numbers n such that σ(Rev(φ(n))) = φ(Rev(σ(n))), where σ is the sum of divisors and φ the Euler totient function. A252255