Properties of the Number -109220

One Hundred Nine Thousand Two Hundred Twenty

Basics

Value: -109221 → -109220 → -109219

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 43 × 127

Divisors: 1, 2, 4, 5, 10, 20, 43, 86, 127, 172

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11010101010100100

Octal: -325244

Duodecimal: -53258

Hexadecimal: -1aaa4

Square: 11929008400

Square Root: 330.4844928283323

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

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/3)} binomial(n-1,3·k) * a(k). A352045

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood. A281420

Number of 4X3 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2·n² (number of collections of 4 zero-sum 3-vectors with total modulus squared not more than 2·n², ignoring vector and component permutations). A192704

Table where row n lists numbers N equal to the determinant of an n X n circulant having as a row the base n+1 digits of N. A303262