The Number

18970

Eightteen Thousand Nine Hundred and Seventy

In Base 21 Unovigesimal Is

210721

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

For more familiar numbers: See Eightteen Thousand Nine Hundred and Seventy in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18967
210421
Eightteen Thousand Nine Hundred and Sixty-Seven in Base 21 Unovigesimal
18968
210521
Eightteen Thousand Nine Hundred and Sixty-Eight in Base 21 Unovigesimal
18969
210621
Eightteen Thousand Nine Hundred and Sixty-Nine in Base 21 Unovigesimal
18971
210821
Eightteen Thousand Nine Hundred and Seventy-One in Base 21 Unovigesimal
18972
210921
Eightteen Thousand Nine Hundred and Seventy-Two in Base 21 Unovigesimal
18973
210a21
Eightteen Thousand Nine Hundred and Seventy-Three in Base 21 Unovigesimal

Scientific Notation

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

1.8970e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a5630k06kji1c21

The reciprocal of 18970 in Base 21 Unovigesimal.

Palindrome?

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

The number 210721 is not a palindrome.

Not A Prime Number

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

Eightteen thousand nine hundred and seventy is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand nine hundred and seventy 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 eightteen thousand nine hundred and seventy has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
271
cj21
Two Hundred and Seventy-One 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 · 5211 · 7211 · cj211 = 210721

Base Conversions

The number eightteen thousand nine hundred and seventy in 35 different bases