The Number

21203

Twenty-One Thousand Two Hundred and Three

In Base 7 Septenary Is

1155507

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

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

Nearby Numbers

Positive, nonzero integers within three units

21200
1155447
Twenty-One Thousand Two Hundred in Base 7 Septenary
21201
1155457
Twenty-One Thousand Two Hundred and One in Base 7 Septenary
21202
1155467
Twenty-One Thousand Two Hundred and Two in Base 7 Septenary
21204
1155517
Twenty-One Thousand Two Hundred and Four in Base 7 Septenary
21205
1155527
Twenty-One Thousand Two Hundred and Five in Base 7 Septenary
21206
1155537
Twenty-One Thousand Two Hundred and Six in Base 7 Septenary

Scientific Notation

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

2.1203e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053561263462031435147

The reciprocal of 21203 in Base 7 Septenary.

Palindrome?

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

The number 1155507 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 two hundred and three is a composite number with 8 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 two hundred and three is a composite number with 8 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 two hundred and three has the following 3 prime factors:

7
107
Seven in Base 7 Septenary
13
167
Thirteen in Base 7 Septenary
233
4527
Two Hundred and Thirty-Three in Base 7 Septenary

Prime Factorization

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

1071 · 1671 · 45271 = 1155507

Base Conversions

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