138,050
138,050 is a composite number, even.
138,050 (one hundred thirty-eight thousand fifty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 5² × 11 × 251. Its proper divisors sum to 143,182, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21B42.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 50,831
- Recamán's sequence
- a(492,727) = 138,050
- Square (n²)
- 19,057,802,500
- Cube (n³)
- 2,630,929,635,125,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 281,232
- φ(n) — Euler's totient
- 50,000
- Sum of prime factors
- 274
Primality
Prime factorization: 2 × 5 2 × 11 × 251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,050 = [371; (1, 1, 4, 2, 2, 1, 1, 1, 14, 4, 3, 23, 1, 1, 1, 29, 16, 8, 3, 2, 14, 2, 3, 8, …)]
Period length 42 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand fifty
- Ordinal
- 138050th
- Binary
- 100001101101000010
- Octal
- 415502
- Hexadecimal
- 0x21B42
- Base64
- AhtC
- One's complement
- 4,294,829,245 (32-bit)
- Scientific notation
- 1.3805 × 10⁵
- As a duration
- 138,050 s = 1 day, 14 hours, 20 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρληνʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋢·𝋪
- Chinese
- 一十三萬八千零五十
- Chinese (financial)
- 壹拾參萬捌仟零伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138050, here are decompositions:
- 43 + 138007 = 138050
- 67 + 137983 = 138050
- 103 + 137947 = 138050
- 109 + 137941 = 138050
- 139 + 137911 = 138050
- 181 + 137869 = 138050
- 223 + 137827 = 138050
- 307 + 137743 = 138050
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AD 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.66.
- Address
- 0.2.27.66
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.66
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 138,050 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.