Properties of the Number -5211

Two Hundred Eleven

Basics

Value: -5212 → -5211 → -5210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 193

Divisors: 1, 3, 9, 27, 193, 579, 1737, 5211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1010001011011

Octal: -12133

Duodecimal: -3023

Hexadecimal: -145b

Square: 27154521

Square Root: 72.18725649309579

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

Triangular array that counts rooted polyominoes. A38622

Numbers m such that there are precisely 13 groups of order m. A292896

Least k such that decimal representation of k·n contains only digits 0 and 9. A96688

Riordan array (1/sqrt(1-2·x-3·x²), M(x)-1) where M(x) is the g.f. of the Motzkin numbers A001006. A114422

T(n,k)=Number of 0..3 arrays of length n+2·k-1 with sum no more than 3·k in any length 2k subsequence (=50% duty cycle). A212471

Number of directed animals of size n (k=1 column of A038622); number of (s(0), s(1), ..., s(n)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| <= 1 for i = 1,2,...,n, where s(0) = 2; also sum of row n+1 of array T in A026323. A5774

Revenant numbers: numbers k such that k multiplied by the product of all its digits contains k as a substring. A328095

T(n,k)=Number of length n+3 0..k arrays with no consecutive four elements summing to more than 2·k. A241964

Decimal part of a(n)^1/2 starts with a 'nine digits' anagram. A34277

Number of partitions that are "2-close" to being self-conjugate. A108961