The Number

21400

Twenty-One Thousand Four Hundred

In Base 11 Undecimal Is

1509511

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

For more familiar numbers: See Twenty-One Thousand Four Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21397
1509211
Twenty-One Thousand Three Hundred and Ninety-Seven in Base 11 Undecimal
21398
1509311
Twenty-One Thousand Three Hundred and Ninety-Eight in Base 11 Undecimal
21399
1509411
Twenty-One Thousand Three Hundred and Ninety-Nine in Base 11 Undecimal
21401
1509611
Twenty-One Thousand Four Hundred and One in Base 11 Undecimal
21402
1509711
Twenty-One Thousand Four Hundred and Two in Base 11 Undecimal
21403
1509811
Twenty-One Thousand Four Hundred and 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.

2.1400e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000758685206935753911

The reciprocal of 21400 in Base 11 Undecimal.

Palindrome?

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

The number 1509511 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 four hundred 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 four hundred 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 four hundred has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
107
9811
One Hundred and Seven in Base 11 Undecimal

Prime Factorization

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

2113 · 5112 · 98111 = 1509511

Base Conversions

The number twenty-one thousand four hundred in 35 different bases