Properties of the Number -29808

Twenty-Nine Thousand Eight Hundred Eight

Basics

Value: -29809 → -29808 → -29807

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ⁴ × 23

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111010001110000

Octal: -72160

Duodecimal: -15300

Hexadecimal: -7470

Square: 888516864

Square Root: 172.6499348392579

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

E.g.f. A(x)=sum{n>0, a(n)x^2·n-1/(2·n-1)!} satisfies A(A(x))=sin(2·x)/2. A220113

Numbers k such that k = A074206(k), the number of ordered factorizations of k. A163272

The PDO(n) function (Partitions with Designated summands in which all parts are Odd): the sum of products of multiplicities of parts in all partitions of n into odd parts. A102186

T(n,k) = number of nXk 0..1 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(k+1) 0..1 array. A228986

Numbers that have exactly two exponents in their prime factorization that are equal to 4. A386805

Terms of A177763 which have more than one such representation. A177766

a(n) = 23·n². A244632

Numbers with prime factorization pq^4r^4. A190012

Numbers with 50 divisors. A175756

Numbers n such that log_pi(n) is closer to an integer than is log_pi(m) for any m with 2<=m<n. A80022