138,132
138,132 is a composite number, even.
138,132 (one hundred thirty-eight thousand one hundred thirty-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3³ × 1,279. Its proper divisors sum to 220,268, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21B94.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 144
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 231,831
- Recamán's sequence
- a(492,563) = 138,132
- Square (n²)
- 19,080,449,424
- Cube (n³)
- 2,635,620,639,835,968
- Divisor count
- 24
- σ(n) — sum of divisors
- 358,400
- φ(n) — Euler's totient
- 46,008
- Sum of prime factors
- 1,292
Primality
Prime factorization: 2 2 × 3 3 × 1279
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,132 = [371; (1, 1, 1, 19, 2, 2, 1, 3, 7, 4, 5, 2, 3, 4, 1, 6, 1, 5, 1, 3, 3, 1, 26, 1, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-eight thousand one hundred thirty-two
- Ordinal
- 138132nd
- Binary
- 100001101110010100
- Octal
- 415624
- Hexadecimal
- 0x21B94
- Base64
- AhuU
- One's complement
- 4,294,829,163 (32-bit)
- Scientific notation
- 1.38132 × 10⁵
- As a duration
- 138,132 s = 1 day, 14 hours, 22 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρληρλβʹ
- Mayan (base 20)
- 𝋱·𝋥·𝋦·𝋬
- Chinese
- 一十三萬八千一百三十二
- Chinese (financial)
- 壹拾參萬捌仟壹佰參拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138132, here are decompositions:
- 19 + 138113 = 138132
- 31 + 138101 = 138132
- 53 + 138079 = 138132
- 61 + 138071 = 138132
- 73 + 138059 = 138132
- 79 + 138053 = 138132
- 139 + 137993 = 138132
- 149 + 137983 = 138132
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 AE 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.27.148.
- Address
- 0.2.27.148
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.27.148
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 138,132 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.