The Number

217138

Two Hundred and Seventeen Thousand One Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

1297j21

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

For more familiar numbers: See Two Hundred and Seventeen Thousand One Hundred and Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

217135
1297g21
Two Hundred and Seventeen Thousand One Hundred and Thirty-Five in Base 21 Unovigesimal
217136
1297h21
Two Hundred and Seventeen Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
217137
1297i21
Two Hundred and Seventeen Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
217139
1297k21
Two Hundred and Seventeen Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
217140
1298021
Two Hundred and Seventeen Thousand One Hundred and Forty in Base 21 Unovigesimal
217141
1298121
Two Hundred and Seventeen Thousand One Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

2.17138e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000igke29d0ig6821

The reciprocal of 217138 in Base 21 Unovigesimal.

Palindrome?

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

The number 1297j21 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 seventeen thousand one hundred and thirty-eight 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 seventeen thousand one hundred and thirty-eight 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 seventeen thousand one hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-One in Base 21 Unovigesimal
719
1d521
Seven Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

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

2211 · 74211 · 1d5211 = 1297j21

Base Conversions

The number two hundred and seventeen thousand one hundred and thirty-eight in 35 different bases