138,088
138,088 is a composite number, even.
138,088 (one hundred thirty-eight thousand eighty-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 41 × 421. Written other ways, in hexadecimal, 0x21B68.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 880,831
- Recamán's sequence
- a(492,651) = 138,088
- Square (n²)
- 19,068,295,744
- Cube (n³)
- 2,633,102,822,697,472
- Divisor count
- 16
- σ(n) — sum of divisors
- 265,860
- φ(n) — Euler's totient
- 67,200
- Sum of prime factors
- 468
Primality
Prime factorization: 2 3 × 41 × 421
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,088 = [371; (1, 1, 1, 1, 20, 22, 2, 8, 1, 2, 5, 3, 1, 1, 23, 2, 2, 5, 1, 2, 1, 5, 1, 5, …)]
Representations
- In words
- one hundred thirty-eight thousand eighty-eight
- Ordinal
- 138088th
- Binary
- 100001101101101000
- Octal
- 415550
- Hexadecimal
- 0x21B68
- Base64
- Ahto
- One's complement
- 4,294,829,207 (32-bit)
- Scientific notation
- 1.38088 × 10⁵
- As a duration
- 138,088 s = 1 day, 14 hours, 21 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληπηʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋤·𝋨
- Chinese
- 一十三萬八千零八十八
- Chinese (financial)
- 壹拾參萬捌仟零捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138088, here are decompositions:
- 11 + 138077 = 138088
- 17 + 138071 = 138088
- 29 + 138059 = 138088
- 47 + 138041 = 138088
- 89 + 137999 = 138088
- 131 + 137957 = 138088
- 179 + 137909 = 138088
- 239 + 137849 = 138088
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AD A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.104.
- Address
- 0.2.27.104
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.104
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 138,088 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 138088 first appears in π at position 143,803 of the decimal expansion (the 143,803ordinal-suffix:rd 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.