The Number

21949

Twenty-One Thousand Nine Hundred and Forty-Nine

In Base 16 Hexadecimal Is

55bd16

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

For more familiar numbers: See Twenty-One Thousand Nine Hundred and Forty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21946
55ba16
Twenty-One Thousand Nine Hundred and Forty-Six in Base 16 Hexadecimal
21947
55bb16
Twenty-One Thousand Nine Hundred and Forty-Seven in Base 16 Hexadecimal
21948
55bc16
Twenty-One Thousand Nine Hundred and Forty-Eight in Base 16 Hexadecimal
21950
55be16
Twenty-One Thousand Nine Hundred and Fifty in Base 16 Hexadecimal
21951
55bf16
Twenty-One Thousand Nine Hundred and Fifty-One in Base 16 Hexadecimal
21952
55c016
Twenty-One Thousand Nine Hundred and Fifty-Two in Base 16 Hexadecimal

Scientific Notation

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

2.1949e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002fc5f68188a30216

The reciprocal of 21949 in Base 16 Hexadecimal.

Palindrome?

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

The number 55bd16 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 nine hundred and forty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and forty-nine is a composite number with 4 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 nine hundred and forty-nine has the following 2 prime factors:

47
2f16
Forty-Seven in Base 16 Hexadecimal
467
1d316
Four Hundred and Sixty-Seven in Base 16 Hexadecimal

Prime Factorization

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

2f161 · 1d3161 = 55bd16

Base Conversions

The number twenty-one thousand nine hundred and forty-nine in 35 different bases