Properties of the Number -27676

Twenty-Seven Thousand Six Hundred Seventy-Six

Basics

Value: -27677 → -27676 → -27675

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 11 × 17 × 37

Divisors: 1, 2, 4, 11, 17, 22, 34, 37, 44, 68

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110000011100

Octal: -66034

Duodecimal: -14024

Hexadecimal: -6c1c

Square: 765960976

Square Root: 166.36105313444008

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

Expansion of (1 - x + x²)*(1 + x + x² - x³ + 2·x⁴)/((1 - x)*(1 + x)²*(1 + x²)*(1 + x - x² + x³)). A104237

a(n) = (2·n-1)*(5·n²-5·n+6)/6. A63489

a(n) = n*(n + 1)*(3·n² + 3·n - 2)/8. A236770

Symmetric difference of the primitive non-deficient numbers and the primitive Zumkeller numbers. A378538

Pentagonal numbers (A000326) that are the sum of eleven consecutive pentagonal numbers. A259403

Pentagonal numbers (A000326) in which parity of digits alternates. A297644

a(n) = 54·2ⁿ + 28 (n >= 1). A304606

Numbers that are primitive Zumkeller, but not primitive non-deficient. A378657

Pentagonal numbers that are abundant. A379264

a(n) = ∑_0<j<k<=n k³-j³. A206809