The Number

21070

Twenty-One Thousand and Seventy

In Base 11 Undecimal Is

1491511

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See Twenty-One Thousand and Seventy in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21067
1491211
Twenty-One Thousand and Sixty-Seven in Base 11 Undecimal
21068
1491311
Twenty-One Thousand and Sixty-Eight in Base 11 Undecimal
21069
1491411
Twenty-One Thousand and Sixty-Nine in Base 11 Undecimal
21071
1491611
Twenty-One Thousand and Seventy-One in Base 11 Undecimal
21072
1491711
Twenty-One Thousand and Seventy-Two in Base 11 Undecimal
21073
1491811
Twenty-One Thousand and Seventy-Three in Base 11 Undecimal

Scientific Notation

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

2.1070e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007709720a127454a611

The reciprocal of 21070 in Base 11 Undecimal.

Palindrome?

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

The number 1491511 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and seventy is a composite number with 24 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and seventy is a composite number with 24 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 twenty-one thousand and seventy has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal
43
3a11
Forty-Three in Base 11 Undecimal

Prime Factorization

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

2111 · 5111 · 7112 · 3a111 = 1491511

Base Conversions

The number twenty-one thousand and seventy in 35 different bases