Properties of the Number -1000081

Eighty-One

Basics

Value: -1000082 → -1000081 → -1000080

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 1000081

Divisors: 1, 1000081

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11110100001010010001

Octal: -3641221

Duodecimal: -402901

Hexadecimal: -f4291

Square: 1000162006561

Square Root: 1000.0404991799082

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

Naughty primes: primes in which the number of zeros is greater than the number of all other digits. A164968

Triangle read by rows in which row n gives n smallest n-digit primes. A73914

Smallest n-digit prime containing no prime substrings, or 0 if no such number exists. A89770

Minimal prime with n nonprime substrings (Version 1: substrings with leading zeros are considered to be nonprime). A213305

Smallest prime p which is a concatenation of n³ and the cubic digits 0, 1, 8. A174979