138,422
138,422 is a composite number, even.
138,422 (one hundred thirty-eight thousand four hundred twenty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 67 × 1,033. Written other ways, in hexadecimal, 0x21CB6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 384
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 224,831
- Recamán's sequence
- a(491,983) = 138,422
- Square (n²)
- 19,160,650,084
- Cube (n³)
- 2,652,255,505,927,448
- Divisor count
- 8
- σ(n) — sum of divisors
- 210,936
- φ(n) — Euler's totient
- 68,112
- Sum of prime factors
- 1,102
Primality
Prime factorization: 2 × 67 × 1033
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√138,422 = [372; (19, 1, 1, 2, 1, 1, 1, 1, 2, 3, 21, 1, 1, 2, 3, 2, 105, 1, 6, 2, 1, 1, 1, 8, …)]
Representations
- In words
- one hundred thirty-eight thousand four hundred twenty-two
- Ordinal
- 138422nd
- Binary
- 100001110010110110
- Octal
- 416266
- Hexadecimal
- 0x21CB6
- Base64
- Ahy2
- One's complement
- 4,294,828,873 (32-bit)
- Scientific notation
- 1.38422 × 10⁵
- As a duration
- 138,422 s = 1 day, 14 hours, 27 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρληυκβʹ
- Mayan (base 20)
- 𝋱·𝋦·𝋡·𝋢
- Chinese
- 一十三萬八千四百二十二
- Chinese (financial)
- 壹拾參萬捌仟肆佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 138422, here are decompositions:
- 19 + 138403 = 138422
- 73 + 138349 = 138422
- 103 + 138319 = 138422
- 139 + 138283 = 138422
- 181 + 138241 = 138422
- 241 + 138181 = 138422
- 283 + 138139 = 138422
- 439 + 137983 = 138422
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 B2 B6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.28.182.
- Address
- 0.2.28.182
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.28.182
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 138,422 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 138422 first appears in π at position 312,011 of the decimal expansion (the 312,011ordinal-suffix:th 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.