138,110
138,110 is a composite number, even.
138,110 (one hundred thirty-eight thousand one hundred ten) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 7 × 1,973. Its proper divisors sum to 146,146, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21B7E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 11,831
- Recamán's sequence
- a(492,607) = 138,110
- Square (n²)
- 19,074,372,100
- Cube (n³)
- 2,634,361,530,731,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 284,256
- φ(n) — Euler's totient
- 47,328
- Sum of prime factors
- 1,987
Primality
Prime factorization: 2 × 5 × 7 × 1973
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,110 = [371; (1, 1, 1, 2, 2, 67, 6, 1, 2, 1, 7, 6, 74, 6, 7, 1, 2, 1, 6, 67, 2, 2, 1, 1, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand one hundred ten
- Ordinal
- 138110th
- Binary
- 100001101101111110
- Octal
- 415576
- Hexadecimal
- 0x21B7E
- Base64
- Aht+
- One's complement
- 4,294,829,185 (32-bit)
- Scientific notation
- 1.3811 × 10⁵
- As a duration
- 138,110 s = 1 day, 14 hours, 21 minutes, 50 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆
- Greek (Milesian)
- ͵ρληριʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋥·𝋪
- Chinese
- 一十三萬八千一百一十
- Chinese (financial)
- 壹拾參萬捌仟壹佰壹拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138110, here are decompositions:
- 3 + 138107 = 138110
- 31 + 138079 = 138110
- 103 + 138007 = 138110
- 127 + 137983 = 138110
- 163 + 137947 = 138110
- 199 + 137911 = 138110
- 241 + 137869 = 138110
- 283 + 137827 = 138110
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AD BE (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.126.
- Address
- 0.2.27.126
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.126
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 138,110 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 138110 first appears in π at position 422,123 of the decimal expansion (the 422,123ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.