Properties of the Number 64838

Sixty-Four Thousand Eight Hundred Thirty-Eight

Basics

Value: 64837 → 64838 → 64839

Parity: even

Prime: No

Previous Prime: 64817

Next Prime: 64849

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 17 × 1907

Divisors: 1, 2, 17, 34, 1907, 3814, 32419, 64838

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1111110101000110

Octal: 176506

Duodecimal: 31632

Hexadecimal: fd46

Square: 4203966244

Square Root: 254.63306933703643

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

T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero. A230250

Expansion of e.g.f. (exp(x)-1)*(exp(x) - x³/6 - x²/2 - x - 1). A342379

Integers k, not divisible by any of their digits, such that k = ∑_{j = digits of k} k/j. A393453

Number of nX3 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero. A230246

Number of nX6 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero. A230249

a(n) is the smallest even number for which there are n prime numbers between a(n) and the largest prime number p such that a(n)-p is also a prime. A317597

a(n) = A064837(n)/2. A64838