Properties of the Number 27419

Twenty-Seven Thousand Four Hundred Nineteen

Basics

Value: 27418 → 27419 → 27420

Parity: odd

Prime: No

Previous Prime: 27409

Next Prime: 27427

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 3917

Divisors: 1, 7, 3917, 27419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110101100011011

Octal: 65433

Duodecimal: 13A4B

Hexadecimal: 6b1b

Square: 751801561

Square Root: 165.5868352255094

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) = pq + pr + qr with p = prime(n), q = prime(n+1), and r = prime(n+2). A127345

Composites in A127345. A127347

Numbers with two or more distinct prime factors such that the number and all its prime factors fall on a single straight line when they are plotted on a square spiral. A346294

Denominator of harmonic mean of 3 consecutive primes. Numerators are A331259. A331260

Number of distinct products i·j with 0 <= i, j <= n-th prime. A27419

Number of length n+2 0..9 arrays with no three unequal elements in a row and no three equal elements in a row and new values 0..9 introduced in 0..9 order. A243728