Properties of the Number -19338

Nineteen Thousand Three Hundred Thirty-Eight

Basics

Value: -19339 → -19338 → -19337

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 293

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 293, 586

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100101110001010

Octal: -45612

Duodecimal: -B236

Hexadecimal: -4b8a

Square: 373958244

Square Root: 139.06113763377604

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

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281056

T(n,k)=Number of length n+k 0..2 arrays with at most one downstep in every k consecutive neighbor pairs. A255107

First differences of A001628 (Fibonacci convolution). A55243

a(n) = Sum_t t·F(n,t), where F(n,t) (see A095133) is the number of forests with n (unlabeled) nodes and exactly t trees. A5196

Number of ordered septuples of distinct pairwise coprime positive integers with largest element n. A186978

a(n) = floor( γ(n + 3/4)/γ(3/4) ). A20086

a(n) = 2·A002309(n). A259319

Number of partitions of n with difference 3 between the number of odd parts and the number of even parts, both counted without multiplicity. A242694

Number of length n+3 0..2 arrays with at most one downstep in every 3 consecutive neighbor pairs. A255102

The smallest number in base n such that two digits (and no fewer) need to be changed to get a prime. A370531