Properties of the Number 39487

Thirty-Nine Thousand Four Hundred Eighty-Seven

Basics

Value: 39486 → 39487 → 39488

Parity: odd

Prime: No

Previous Prime: 39461

Next Prime: 39499

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 5641

Divisors: 1, 7, 5641, 39487

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101000111111

Octal: 115077

Duodecimal: 1AA27

Hexadecimal: 9a3f

Square: 1559223169

Square Root: 198.7133614028005

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

a(n+1) = a(n) + floor(a(n)/4) with a(0)=4. A182305

Square array, read by antidiagonals, used to recursively calculate the Springer numbers A001586. A185418

a(n) = ∑_y=1..n ∑_x=1..n floor((x^k + y^k)^1/k) with k = 3. A211792

Number of subsets of { 1, ..., n } containing an A.P. of length 10. A18795

Numbers k such that 239·2^k+1 is prime. A32496

Numbers whose base-11 representation has the same nonzero number of 7's and 8's. A39487