Properties of the Number -38869

Thirty-Eight Thousand Eight Hundred Sixty-Nine

Basics

Value: -38870 → -38869 → -38868

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 47 × 827

Divisors: 1, 47, 827, 38869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1001011111010101

Octal: -113725

Duodecimal: -1A5B1

Hexadecimal: -97d5

Square: 1510799161

Square Root: 197.152225450285

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

Numerators of the convergents of the continued fraction for Catalan's constant L(2, chi4), where L(s, chi4) is the Dirichlet L-function for the non-principal character modulo 4. A153069

Number of "connected animals" formed from n triakis truncated tetrahedra connected along hexagonal faces in the triakis truncated tetrahedral honeycomb, allowing translations, rotations, and reflections of the honeycomb. A38169

Decimal numbers m such that the product of the binary string of m and the binary string of m in reverse contains the binary string of m as a substring. A342130

Numbers k such that k!6 + 18 is prime, where k!6 is the sextuple factorial number (A085158 ). A288445

a(n+1) = ∑_{k=0..floor(n/τ)} a(k) * a(n-k), where τ = (1+sqrt(5))/2. A30040

Number of ways of placing non-attacking knights on an n X n chessboard symmetric about the diagonal and under 90-degree rotation. A130712