Properties of the Number -10228

Ten Thousand Two Hundred Twenty-Eight

Basics

Value: -10229 → -10228 → -10227

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 2557

Divisors: 1, 2, 4, 2557, 5114, 10228

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10011111110100

Octal: -23764

Duodecimal: -5B04

Hexadecimal: -27f4

Square: 104611984

Square Root: 101.13357503816425

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 integer partitions of n whose distinct parts are pairwise coprime. A304709

Minimal number of people to give a 50% probability of having at least n coincident birthdays in one year. A14088

Numbers n for which there are exactly five k such that n = k + (product of nonzero digits of k). A96926

a(n) = n³ + 2·n² + 4·n + 1. A270867

a(n) = f(2,n,2), where f is the Sudan function defined in A260002. A260005

Number of 2 X 2 matrices M of positive integers such that permanent(M) < n. A212151

Sum of numbers in the n-th antidiagonal of the reciprocity array of 3. A259583

Values of f(2,x,y) in increasing order, for x>=0, y>0 where f is the Sudan function defined in A260002. A260004

a(n) = smallest m such that A031131(m) = 2·n. A261525

Start with a square of dimension 1 X 1, and repeatedly append along the squares of the previous step squares with half their side length that do not overlap with any prior square; a(n) gives the number of squares appended at n-th step. A321237