The Number

281000

Two Hundred and Eighty-One Thousand

In Base 21 Unovigesimal Is

1973k21

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

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

Nearby Numbers

Positive, nonzero integers within three units

280997
1973h21
Two Hundred and Eighty Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
280998
1973i21
Two Hundred and Eighty Thousand Nine Hundred and Ninety-Eight in Base 21 Unovigesimal
280999
1973j21
Two Hundred and Eighty Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
281001
1974021
Two Hundred and Eighty-One Thousand and One in Base 21 Unovigesimal
281002
1974121
Two Hundred and Eighty-One Thousand and Two in Base 21 Unovigesimal
281003
1974221
Two Hundred and Eighty-One Thousand and 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.

2.81000e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000eb4bj80hc35421

The reciprocal of 281000 in Base 21 Unovigesimal.

Palindrome?

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

The number 1973k21 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 eighty-one thousand is a composite number with 32 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 eighty-one thousand is a composite number with 32 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 eighty-one thousand has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
281
d821
Two Hundred and Eighty-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

2213 · 5213 · d8211 = 1973k21

Base Conversions

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