Properties of the Number 65848

Sixty-Five Thousand Eight Hundred Forty-Eight

Basics

Value: 65847 → 65848 → 65849

Parity: even

Prime: No

Previous Prime: 65843

Next Prime: 65851

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 8231

Divisors: 1, 2, 4, 8, 8231, 16462, 32924, 65848

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000100111000

Octal: 200470

Duodecimal: 32134

Hexadecimal: 10138

Square: 4335959104

Square Root: 256.60865145197266

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 ∏_k>=1 ((1 + x^k) / (1 - x^4·k))^k. A285458

a(0) = 1; thereafter a(n) = ∑_k=1..n (2·k)^k * Stirling1(n,k). A351274

a(n) is the smallest number of the form k·a(n-1)+a(n-2) for k>0 that is relatively prime to n, with a(0) = 0 and a(1) = 1. A206241

Let u be any string of n digits from {0,...,6}; let f(u) = number of distinct primes, not beginning with 0, formed by permuting the digits of u to a base-7 number; then a(n) = max_u f(u). A65848