Properties of the Number -21536

Twenty-One Thousand Five Hundred Thirty-Six

Basics

Value: -21537 → -21536 → -21535

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 673

Divisors: 1, 2, 4, 8, 16, 32, 673, 1346, 2692, 5384

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -101010000100000

Octal: -52040

Duodecimal: -10568

Hexadecimal: -5420

Square: 463799296

Square Root: 146.75149062275312

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 partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that min(x(i) - x(i-1)) < number of distinct parts of p. A241823

Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of parts > 1) is a part. A241511

Row sums of triangle A129503. A129504

Number of 11X2 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 11 zero-sum 2-vectors with total modulus squared not more than 2·n², ignoring vector and component permutations). A192712

Convolution of A001950 with itself. A23667

Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 73. A31571