Properties of the Number 83878

Eighty-Three Thousand Eight Hundred Seventy-Eight

Basics

Value: 83877 → 83878 → 83879

Parity: even

Prime: No

Previous Prime: 83873

Next Prime: 83891

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 17 × 2467

Divisors: 1, 2, 17, 34, 2467, 4934, 41939, 83878

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100011110100110

Octal: 243646

Duodecimal: 4065A

Hexadecimal: 147a6

Square: 7035518884

Square Root: 289.6169884519898

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

Numbers n such that 6·10ⁿ + 4·R_n + 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103036

a(0)=1, a(1)=3, for n >= 2, a(n) = 6·a(n-1) - 7·a(n-2). A83878

Number of (n+1)X(2+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise. A238249

Number of length n+1 0..3 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero. A250272