Properties of the Number -13210

Thirteen Thousand Two Hundred Ten

Basics

Value: -13211 → -13210 → -13209

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 7

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 1321

Divisors: 1, 2, 5, 10, 1321, 2642, 6605, 13210

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001110011010

Octal: -31632

Duodecimal: -778A

Hexadecimal: -339a

Square: 174504100

Square Root: 114.93476410555685

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(2·n) = 10·a(n), a(2·n+1) = a(n) + a(n+1). A178569

Total number of partitions in the partitions of compositions of n. A326346

Lexicographically earliest sequence of nonnegative integers such that two distinct terms differ by at least 4 decimal digits. A346000

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = a(3) = 2. A49954

Half the difference between the larger and smaller term of the n-th amicable pair. A162884

Half the difference between the larger and smaller terms of the n-th amicable pair (x,y) given in A259933. A275470

G.f. satisfies A(x) = ( 1 + x·A(x)^5/2 / (1 - x)² )². A371585

Positive integers that have exactly nine representations of the form 1 + p1 * (1 + p2* ... * (1 + p_j)...), where [p1, ..., p_j] is a (possibly empty) list of distinct primes. A317399

Squares written in base 4. A1739

n written efficiently in natural numbers base, i.e., in form ...wxyz where n = 1·z + 2·y + 3·x + 4·w + ... with z <= 1, y < 2, x < 3, w < 4, ... A55611