Properties of the Number -2101010

One Hundred One Thousand Ten

Basics

Value: -2101011 → -2101010 → -2101009

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 210101

Divisors: 1, 2, 5, 10, 210101, 420202, 1050505, 2101010

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1000000000111100010010

Octal: -10007422

Duodecimal: -853A42

Hexadecimal: -200f12

Square: 4414243020100

Square Root: 1449.4861158355397

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(0) = 0; thereafter a(n) is the lexicographically earliest missing nonnegative integer such that the digits in the sequence (ignoring the commas) alternate in parity. A377919

Lexicographically earliest increasing sequence with property that in the concatenation of its terms every pair of consecutive digits differs by 1. A98766

The sequence alternates even and odd integers but also even and odd digits; it is monotonically increasing and a(n) is always the smallest integer fitting the pattern. A137667