Properties of the Number 39289

Thirty-Nine Thousand Two Hundred Eighty-Nine

Basics

Value: 39288 → 39289 → 39290

Parity: odd

Prime: No

Previous Prime: 39251

Next Prime: 39293

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 101 × 389

Divisors: 1, 101, 389, 39289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001100101111001

Octal: 114571

Duodecimal: 1A8A1

Hexadecimal: 9979

Square: 1543625521

Square Root: 198.2145302443794

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

Alternating sum of the squares of the first n Fibonacci numbers. A119283

Expansion of b(q²) * c(q²) / (3·b(q)²) in powers of q where b(), c() are cubic AGM functions. A233698

Expansion of ( f(-q²) * f(q³) * f(-q⁶) / f(q)³ )² in powers of q where f() is a Ramanujan θ function. A164271

Number of 4-tuples (w,x,y,z) with all terms in {1,...,n} and w·x<=3·y*z. A211812

Expansion of ψ(x) * f(-x¹⁸)³ / (φ(-x³) * f(-x³)³) in powers of·where φ(), ψ(), f() are Ramanujan θ functions. A261992

Row sums of unsigned triangle |A128495|=|S(2;n,m)| (sums of squares of Chebyshev's S-polynomials). A128496

Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. A283722

Numbers whose base-5 representation has the same nonzero number of 1's and 4's. A39289