Properties of the Number -83490

Eighty-Three Thousand Four Hundred Ninety

Basics

Value: -83491 → -83490 → -83489

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 11 ² × 23

Divisors: 1, 2, 3, 5, 6, 10, 11, 15, 22, 23

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10100011000100010

Octal: -243042

Duodecimal: -40396

Hexadecimal: -14622

Square: 6970580100

Square Root: 288.94636180440136

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

Triangle read by rows: T(n,k) (n >= 2, k >= 0) is the number of non-crossing connected graphs on n nodes on a circle, having k interior faces. Rows are indexed 2,3,4,...; columns are indexed 0,1,2,.... A89434

a(n) = (n+1)²*(n+2)*(2·n+3)/6. A108678

Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of parts > 1) is not a part. A241513

Triangle read by rows: T(n,k) (n >= 2, 1 <= k <= 2n-3) is the number of non-crossing connected graphs on n nodes on a circle, having k edges. Rows are indexed 2,3,4,...; columns are indexed 0,1,2,.... A127537

Third diagonal of A027446. A27450

Number of n X 6 binary arrays without the pattern 0 1 diagonally or vertically. A188840