138,001
138,001 is a composite number, odd.
138,001 (one hundred thirty-eight thousand one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 59 × 2,339. Written other ways, in hexadecimal, 0x21B11.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 100,831
- Recamán's sequence
- a(492,825) = 138,001
- Square (n²)
- 19,044,276,001
- Cube (n³)
- 2,628,129,132,414,001
- Divisor count
- 4
- σ(n) — sum of divisors
- 140,400
- φ(n) — Euler's totient
- 135,604
- Sum of prime factors
- 2,398
Primality
Prime factorization: 59 × 2339
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,001 = [371; (2, 16, 92, 1, 4, 3, 1, 1, 3, 46, 6, 2, 3, 1, 1, 2, 22, 1, 4, 1, 4, 17, 1, 10, …)]
Representations
- In words
- one hundred thirty-eight thousand one
- Ordinal
- 138001st
- Binary
- 100001101100010001
- Octal
- 415421
- Hexadecimal
- 0x21B11
- Base64
- AhsR
- One's complement
- 4,294,829,294 (32-bit)
- Scientific notation
- 1.38001 × 10⁵
- As a duration
- 138,001 s = 1 day, 14 hours, 20 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵ρληαʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋠·𝋡
- Chinese
- 一十三萬八千零一
- Chinese (financial)
- 壹拾參萬捌仟零壹
Also seen as
UTF-8 encoding: F0 A1 AC 91 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.17.
- Address
- 0.2.27.17
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.17
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 138,001 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 138001 first appears in π at position 798,130 of the decimal expansion (the 798,130ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.