The Number

213157

Two Hundred and Thirteen Thousand One Hundred and Fifty-Seven

In Base 21 Unovigesimal Is

1207721

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

213154
1207421
Two Hundred and Thirteen Thousand One Hundred and Fifty-Four in Base 21 Unovigesimal
213155
1207521
Two Hundred and Thirteen Thousand One Hundred and Fifty-Five in Base 21 Unovigesimal
213156
1207621
Two Hundred and Thirteen Thousand One Hundred and Fifty-Six in Base 21 Unovigesimal
213158
1207821
Two Hundred and Thirteen Thousand One Hundred and Fifty-Eight in Base 21 Unovigesimal
213159
1207921
Two Hundred and Thirteen Thousand One Hundred and Fifty-Nine in Base 21 Unovigesimal
213160
1207a21
Two Hundred and Thirteen Thousand One Hundred and Sixty in Base 21 Unovigesimal

Scientific Notation

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

2.13157e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j37c6ejg4k1f21

The reciprocal of 213157 in Base 21 Unovigesimal.

Palindrome?

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

The number 1207721 is not a palindrome.

Not A Prime Number

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

Two hundred and thirteen thousand one hundred and fifty-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and thirteen thousand one hundred and fifty-seven is a composite number with 8 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 hundred and thirteen thousand one hundred and fifty-seven has the following 3 prime factors:

7
721
Seven in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
823
1i421
Eight Hundred and Twenty-Three in Base 21 Unovigesimal

Prime Factorization

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

7211 · 1g211 · 1i4211 = 1207721

Base Conversions

The number two hundred and thirteen thousand one hundred and fifty-seven in 35 different bases