Properties of the Number 83648

Eighty-Three Thousand Six Hundred Forty-Eight

Basics

Value: 83647 → 83648 → 83649

Parity: even

Prime: No

Previous Prime: 83641

Next Prime: 83653

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 1307

Divisors: 1, 2, 4, 8, 16, 32, 64, 1307, 2614, 5228

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100011011000000

Octal: 243300

Duodecimal: 404A8

Hexadecimal: 146c0

Square: 6996987904

Square Root: 289.2196397204035

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

Number of ways to tile a 5 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point. A68924

The Padovan sequence A000931 doubled. A291289

Triangle read by rows: T(n,k) is the number of acyclic graphs on n unlabeled nodes whose longest directed path has k arcs. A350448

Number of (n+1) X (1+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal. A232582

Number of length 4+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four. A249660

Number of longest winning paths in n X n Hex. A375299

Decimal expansion of ∑_n>=1 -(-1)ⁿ/nⁿ = Integral_x=0..1 x^x dx. A83648

T(n,k)=Number of length n+4 0..k arrays with every five consecutive terms having four times some element equal to the sum of the remaining four. A249656