Properties of the Number -2038

Thirty-Eight

Basics

Value: -2039 → -2038 → -2037

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 1019

Divisors: 1, 2, 1019, 2038

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11111110110

Octal: -3766

Duodecimal: -121A

Hexadecimal: -7f6

Square: 4153444

Square Root: 45.14421336118285

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

G.f.: ∏_m>0 (1 - x^m + 2!*x^2·m - 3!*x^3·m). A293255

G.f.: ∏_m>0 (1 - x^m + 2!*x^2·m - 3!*x^3·m + 4!*x^4·m - 5!*x^5·m). A293257

Convolution square of A112274. A285355

Number of unlabeled Euler graphs with n nodes; number of unlabeled two-graphs with n nodes; number of unlabeled switching classes of graphs with n nodes; number of switching classes of unlabeled signed complete graphs on n nodes; number of Seidel matrices of order n. A2854

Semiprimes of form prime - 1. A77065

a(1)=1, for n>1, a(n) is the least number > a(n-1) such that the Hamming distance D(a(n-1), a(n)) = 2. A206853

Iterate the map in A006369 starting at 144. A185589

Number of integer partitions of n for which every restriction to a subinterval has a different sum. A325768

Semiprimes with prime sum of factors: twice the lesser of the twin prime pairs. A108605

Sum of the sizes of the Durfee squares of all partitions of n. A115995