Properties of the Number -27231

Twenty-Seven Thousand Two Hundred Thirty-One

Basics

Value: -27232 → -27231 → -27230

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 29 × 313

Divisors: 1, 3, 29, 87, 313, 939, 9077, 27231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -110101001011111

Octal: -65137

Duodecimal: -13913

Hexadecimal: -6a5f

Square: 741527361

Square Root: 165.01818081653911

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

Numbers k such that φ(k) = φ(k-2) - φ(k-1). A66232

Triangle read by rows: Catalan triangle of the k-Fibonacci sequence. A236918

a(n) is the row of the Trithoff (tribonacci) array that contains the tails of the sequence which is n times the tribonacci numbers. A351685

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 55. A31733

Convolution triangle of A000958(n+1). A237596

Number of chiral immersions of oriented circle into oriented sphere with 2n double points. A268566

G.f. satisfies A(x) = -(A(x³) + A(x⁴)) / A(-x²). A385915

Numbers n such that σ(n)=φ(n·bigomega(n)-1). A67877

Markoff numbers (A002559) multiplied by 3. A86326

a(n) = index of 2·prime(n) in A381019. A379811