The Number

21238

Twenty-One Thousand Two Hundred and Thirty-Eight

In Base 7 Septenary Is

1156307

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

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

Nearby Numbers

Positive, nonzero integers within three units

21235
1156247
Twenty-One Thousand Two Hundred and Thirty-Five in Base 7 Septenary
21236
1156257
Twenty-One Thousand Two Hundred and Thirty-Six in Base 7 Septenary
21237
1156267
Twenty-One Thousand Two Hundred and Thirty-Seven in Base 7 Septenary
21239
1156317
Twenty-One Thousand Two Hundred and Thirty-Nine in Base 7 Septenary
21240
1156327
Twenty-One Thousand Two Hundred and Forty in Base 7 Septenary
21241
1156337
Twenty-One Thousand Two Hundred and Forty-One in Base 7 Septenary

Scientific Notation

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

2.1238e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053530315031021326267

The reciprocal of 21238 in Base 7 Septenary.

Palindrome?

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

The number 1156307 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 thirty-eight is a composite number with 16 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 thirty-eight is a composite number with 16 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 thirty-eight has the following 4 prime factors:

2
27
Two in Base 7 Septenary
7
107
Seven in Base 7 Septenary
37
527
Thirty-Seven in Base 7 Septenary
41
567
Forty-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 · 1071 · 5271 · 5671 = 1156307

Base Conversions

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