Properties of the Number 27138

Twenty-Seven Thousand One Hundred Thirty-Eight

Basics

Value: 27137 → 27138 → 27139

Parity: even

Prime: No

Previous Prime: 27127

Next Prime: 27143

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4523

Divisors: 1, 2, 3, 6, 4523, 9046, 13569, 27138

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101000000010

Octal: 65002

Duodecimal: 13856

Hexadecimal: 6a02

Square: 736471044

Square Root: 164.73615268058194

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

Barely abundant numbers: abundant n such that σ(n)/n < σ(m)/m for all abundant numbers m<n, σ(n) being the sum of the divisors of n. A71927

From a differential equation. A998

a(n) = ∑_k=0..2n (k+1) * A027113(n, 2n-k). A27138