Properties of the Number 39486

Thirty-Nine Thousand Four Hundred Eighty-Six

Basics

Value: 39485 → 39486 → 39487

Parity: even

Prime: No

Previous Prime: 39461

Next Prime: 39499

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 6581

Divisors: 1, 2, 3, 6, 6581, 13162, 19743, 39486

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101000111110

Octal: 115076

Duodecimal: 1AA26

Hexadecimal: 9a3e

Square: 1559144196

Square Root: 198.7108451997525

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

Write down the numbers from 3 to infinity. Take next number, M say, that has not been crossed off. Counting through the numbers that have not yet been crossed off after that M, cross off every 5th term. Repeat, always crossing off every 5th term of those that remain. The numbers that are left form the sequence. A100586

a(n) = least m such that sum of m reciprocal primes starting with n-th prime is >1. A137368

a(n) = ∑_k=0..n (k+1) * A026769(n, n-k). A27244

Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4. A239407

Number of 3Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4. A239651

Numbers whose base-11 representation has the same nonzero number of 6's and 10's. A39486