The Number

21002

Twenty-One Thousand and Two

In Base 7 Septenary Is

1151427

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20999
1151367
Twenty Thousand Nine Hundred and Ninety-Nine in Base 7 Septenary
21000
1151407
Twenty-One Thousand in Base 7 Septenary
21001
1151417
Twenty-One Thousand and One in Base 7 Septenary
21003
1151437
Twenty-One Thousand and Three in Base 7 Septenary
21004
1151447
Twenty-One Thousand and Four in Base 7 Septenary
21005
1151457
Twenty-One Thousand and Five in Base 7 Septenary

Scientific Notation

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

2.1002e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000054132631015266653437

The reciprocal of 21002 in Base 7 Septenary.

Palindrome?

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

The number 1151427 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 two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-one thousand and two 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 and two has the following 2 prime factors:

2
27
Two in Base 7 Septenary
10501
424217
Ten Thousand Five Hundred and One in Base 7 Septenary

Prime Factorization

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

271 · 4242171 = 1151427

Base Conversions

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