The Number

42857

Forty-Two Thousand Eight Hundred and Fifty-Seven

In Base 11 Undecimal Is

2a22111

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42854
2a21911
Forty-Two Thousand Eight Hundred and Fifty-Four in Base 11 Undecimal
42855
2a21a11
Forty-Two Thousand Eight Hundred and Fifty-Five in Base 11 Undecimal
42856
2a22011
Forty-Two Thousand Eight Hundred and Fifty-Six in Base 11 Undecimal
42858
2a22211
Forty-Two Thousand Eight Hundred and Fifty-Eight in Base 11 Undecimal
42859
2a22311
Forty-Two Thousand Eight Hundred and Fifty-Nine in Base 11 Undecimal
42860
2a22411
Forty-Two Thousand Eight Hundred and Sixty in Base 11 Undecimal

Scientific Notation

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

4.2857e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000038377a656152161511

The reciprocal of 42857 in Base 11 Undecimal.

Palindrome?

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

The number 2a22111 is not a palindrome.

Not A Prime Number

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

Forty-two thousand eight hundred and fifty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand eight hundred and fifty-seven is a composite number with 4 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 forty-two thousand eight hundred and fifty-seven has the following 2 prime factors:

17
1611
Seventeen in Base 11 Undecimal
2521
199211
Two Thousand Five Hundred and Twenty-One in Base 11 Undecimal

Prime Factorization

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

16111 · 1992111 = 2a22111

Base Conversions

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