The Number

2840

Two Thousand Eight Hundred and Forty

In Base 20 Vigesimal Is

72020

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See Two Thousand Eight Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

2837
71h20
Two Thousand Eight Hundred and Thirty-Seven in Base 20 Vigesimal
2838
71i20
Two Thousand Eight Hundred and Thirty-Eight in Base 20 Vigesimal
2839
71j20
Two Thousand Eight Hundred and Thirty-Nine in Base 20 Vigesimal
2841
72120
Two Thousand Eight Hundred and Forty-One in Base 20 Vigesimal
2842
72220
Two Thousand Eight Hundred and Forty-Two in Base 20 Vigesimal
2843
72320
Two Thousand Eight Hundred and Forty-Three in Base 20 Vigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.840e3

Reciprocal

A number multiplied with its reciprocal is one.

0.002g6f44a2g6f4520

The reciprocal of 2840 in Base 20 Vigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 72020 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two thousand eight hundred and forty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Two thousand eight hundred and forty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number two thousand eight hundred and forty has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
71
3b20
Seventy-One in Base 20 Vigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2203 · 5201 · 3b201 = 72020

Base Conversions

The number two thousand eight hundred and forty in 35 different bases