Properties of the Number -381841

Three Hundred Eighty-One Thousand Eight Hundred Forty-One

Basics

Value: -381842 → -381841 → -381840

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 381841

Divisors: 1, 381841

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1011101001110010001

Octal: -1351621

Duodecimal: -164B81

Hexadecimal: -5d391

Square: 145802549281

Square Root: 617.9328442476577

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) = ∑_{1 <= i, j, k, l, m <= n} gcd(i,j,k,l,m). A344524

Primes whose base-6 representation is a square when read in base 10. A267820