Properties of the Number 27869

Twenty-Seven Thousand Eight Hundred Sixty-Nine

Basics

Value: 27868 → 27869 → 27870

Parity: odd

Prime: No

Previous Prime: 27851

Next Prime: 27883

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 29 × 31 ²

Divisors: 1, 29, 31, 899, 961, 27869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110110011011101

Octal: 66335

Duodecimal: 14165

Hexadecimal: 6cdd

Square: 776681161

Square Root: 166.94010902116963

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 partitions p of n such that (number of even numbers in p) = (number of odd numbers in p). A241638

Square array A(n,k), read by descending antidiagonals, where A(1, k) = A388984(k), and for n > 1, A(n, k) = A003961(A(n-1), k). A388981

a(n) = n + (n+1)² + (n+2)³. A27620

a(n) = 29·n². A244635

Composite numbers k coprime to 8 such that k divides Pell(k - Kronecker(8,k)), Pell = A000129. A327651

a(n) = n*(n+2)². A152619

Number of primes of the form b² + 2 for b <= 10ⁿ. A302434

Products p³ or p²*q, where {p,q} are consecutive primes. A33477

Composite numbers k+1 such that k*φ(k+1) is a perfect square. A69068

a(n) = (2·n-1)*(2·n+1)². A102094