Properties of the Number -3290

Two Hundred Ninety

Basics

Value: -3291 → -3290 → -3289

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 7 × 47

Divisors: 1, 2, 5, 7, 10, 14, 35, 47, 70, 94

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -110011011010

Octal: -6332

Duodecimal: -1AA2

Hexadecimal: -cda

Square: 10824100

Square Root: 57.358521598799946

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 ∏_m>=1 (1+q^m)^-14. A22609

Goodstein sequence starting with 4: to calculate a(n+1), write a(n) in the hereditary representation in base n+2, then bump the base to n+3, then subtract 1. A56193

a(n) = n*(2·n+5)*(n-1)/6. A51925

Triangle of numbers a(n,k), 0 <= k <= n: number of set partitions of {1,2,...,n} in which exactly k of the blocks have been distinguished. A49020

Numbers m such that there are precisely 8 groups of order m. A249551

Pentagonal numbers with odd index: a(n) = (2·n+1)*(3·n+1). A33570

Consider the base-8 Kaprekar map n->K(n) defined in A165090. Sequence gives numbers belonging to cycles, including fixed points. A165095

a(n) = n*(n + 23). A132765

Number of length n words on alphabet {0,1} such that the length of every maximal block of 0's (runs) is the same. A243815

9-gonal (or enneagonal) pyramidal numbers: a(n) = n*(n+1)*(7·n-4)/6. A7584