Properties of the Number 27005

Twenty-Seven Thousand Five

Basics

Value: 27004 → 27005 → 27006

Parity: odd

Prime: No

Previous Prime: 26993

Next Prime: 27011

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 11 × 491

Divisors: 1, 5, 11, 55, 491, 2455, 5401, 27005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100101111101

Octal: 64575

Duodecimal: 13765

Hexadecimal: 697d

Square: 729270025

Square Root: 164.3319810627256

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) = n³ + 5. A84381

Numbers k such that 2·k+1, 3·k+2, 4·k+3 and 5·k+4 are primes. A138700

Number of partitions of [2n] into pairs such that either their sum or their absolute difference is a prime (but not both). A342155

Numbers k such that k and k² use only the digits 0, 2, 5, 7 and 9. A136917

a(n) = T(2·n+1,n+2), T given by A026998. A27005