Properties of the Number -39927

Thirty-Nine Thousand Nine Hundred Twenty-Seven

Basics

Value: -39928 → -39927 → -39926

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 13309

Divisors: 1, 3, 13309, 39927

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001101111110111

Octal: -115767

Duodecimal: -1B133

Hexadecimal: -9bf7

Square: 1594165329

Square Root: 199.81741665830833

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 g.f. (3 -x +2·x²)/(1 -3·x +2·x² -x³). A136305

One of the two successive approximations up to 17ⁿ for 17-adic integer sqrt(2). This is the 11 (mod 17) case (except for n = 0). A322560

Numbers n such that n and prime(n) end with the same three digits. A67841

Integers n such that 2n²+1, 2n³+1 and 2n⁴+1 are prime. A239920

a(n) = a(n-2) + a(n-3) for n >= 3, with a(0) = a(1) = 2, a(2) = 1. A276477

Triangle T(n, k) is the number of times 2^k*3^-n arises in the n-th partition appearing in an iterated sequence of partitions of 1 (one for each integer n) into numbers of the form 2^k*3^-n, for n>=0, read by rows. A348863

Number of 1-unbordered words of length n over a 3-letter alphabet beginning with a fixed letter. A375016