138,104
138,104 is a composite number, even.
138,104 (one hundred thirty-eight thousand one hundred four) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 61 × 283. Written other ways, in hexadecimal, 0x21B78.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 401,831
- Recamán's sequence
- a(492,619) = 138,104
- Square (n²)
- 19,072,714,816
- Cube (n³)
- 2,634,018,206,948,864
- Divisor count
- 16
- σ(n) — sum of divisors
- 264,120
- φ(n) — Euler's totient
- 67,680
- Sum of prime factors
- 350
Primality
Prime factorization: 2 3 × 61 × 283
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,104 = [371; (1, 1, 1, 1, 1, 9, 1, 1, 3, 1, 12, 2, 36, 1, 2, 7, 3, 14, 1, 5, 1, 1, 1, 3, …)]
Representations
- In words
- one hundred thirty-eight thousand one hundred four
- Ordinal
- 138104th
- Binary
- 100001101101111000
- Octal
- 415570
- Hexadecimal
- 0x21B78
- Base64
- Aht4
- One's complement
- 4,294,829,191 (32-bit)
- Scientific notation
- 1.38104 × 10⁵
- As a duration
- 138,104 s = 1 day, 14 hours, 21 minutes, 44 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρληρδʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋥·𝋤
- Chinese
- 一十三萬八千一百零四
- Chinese (financial)
- 壹拾參萬捌仟壹佰零肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138104, here are decompositions:
- 3 + 138101 = 138104
- 97 + 138007 = 138104
- 157 + 137947 = 138104
- 163 + 137941 = 138104
- 193 + 137911 = 138104
- 277 + 137827 = 138104
- 313 + 137791 = 138104
- 367 + 137737 = 138104
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AD B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.120.
- Address
- 0.2.27.120
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.120
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 138,104 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.