Properties of the Number -2299

Two Hundred Ninety-Nine

Basics

Value: -2300 → -2299 → -2298

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 ² × 19

Divisors: 1, 11, 19, 121, 209, 2299

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: -100011111011

Octal: -4373

Duodecimal: -13B7

Hexadecimal: -8fb

Square: 5285401

Square Root: 47.94788837894741

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(1) = 1; a(n) = -∑_k=2..n k² * a(floor(n/k)). A360390

Reflected (see A074058) pentanacci numbers A074048. A74062

a(n) = (n³ + 2·n)/3. A6527

Partial sums of A299281. A299282

a(n) = n*(3·n + 7)/2. A140090

Ruth-Aaron numbers (1): sum of prime divisors of n = sum of prime divisors of n+1. A6145

a(n) = (2·n+1)*(4·n²+4·n+3)/3. A57813

Number of representations of n as a sum of products of distinct pairs of positive integers, considered to be equivalent when terms or factors are reordered. A211856

Number T(n,k) of permutations p of [n] such that k is the maximum of 0 and the number of elements in any integer interval [p(i)..i+n*[i<p(i)]]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A324563

Numbers whose base-10 expansion has no run of digits with length < 2. A33023