The Number

213161

Two Hundred and Thirteen Thousand One Hundred and Sixty-One

In Base 21 Unovigesimal Is

1207b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
213162
1207c21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Two in Base 21 Unovigesimal
213163
1207d21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Three in Base 21 Unovigesimal
213164
1207e21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

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

2.13161e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j378kgb60b0d21

The reciprocal of 213161 in Base 21 Unovigesimal.

Palindrome?

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

The number 1207b21 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 sixty-one 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 sixty-one 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 sixty-one has the following 3 prime factors:

13
d21
Thirteen in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
863
1k221
Eight Hundred and Sixty-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

d211 · j211 · 1k2211 = 1207b21

Base Conversions

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