Properties of the Number -42227

Forty-Two Thousand Two Hundred Twenty-Seven

Basics

Value: -42228 → -42227 → -42226

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 42227

Divisors: 1, 42227

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1010010011110011

Octal: -122363

Duodecimal: -2052B

Hexadecimal: -a4f3

Square: 1783119529

Square Root: 205.49209230527583

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

a(n) = (-4·n³ + 27·n² - 20·n + 3)/3. A161711

Expansion of 1/(1-x-x²+2·x³). A77948

Expansion of 1/(1+x-x²-2·x³). A77971

Prime numbers containing the string 222. A166580

Numbers that are the sum of seven fourth powers in exactly eight ways. A345830

Primes having only {2, 4, 7} as digits. A385784

Primes p for which pⁱ - 4 is prime for i = 1, 3 and 5. A243818

Primes of the form k+(k+3)² where k is a nonnegative integer. A248697

Third term of weak prime sextet: p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2). A54830

Largest of six consecutive primes the sum of the digits of each of which is prime. A106720