Properties of the Number -42018

Forty-Two Thousand Eighteen

Basics

Value: -42019 → -42018 → -42017

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 47 × 149

Divisors: 1, 2, 3, 6, 47, 94, 141, 149, 282, 298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1010010000100010

Octal: -122042

Duodecimal: -20396

Hexadecimal: -a422

Square: 1765512324

Square Root: 204.98292611825016

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

Numbers on the square spiral board that are enclosed by four primes. A341542

Number of 321-avoiding permutations of length n whose squares also avoid the pattern 321. A326761

Sequence of the "Natural Jewels": a natural jewel is a number that is totally enclosed by prime numbers in a version of Ulam Spiral. A172294

a(n) = (5·7ⁿ+1)/2. A199421

Averages q of twin prime pairs, such that q concatenated to q is also the average of a twin prime pair. A235109

a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 7. A297180

The excess of the number of partitions of n with more odd parts than even parts over the number of partitions of n with more even parts than odd parts. A338860