128,008
128,008 is a composite number, even.
128,008 (one hundred twenty-eight thousand eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2³ × 16,001. Written other ways, in hexadecimal, 0x1F408.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 800,821
- Square (n²)
- 16,386,048,064
- Cube (n³)
- 2,097,545,240,576,512
- Divisor count
- 8
- σ(n) — sum of divisors
- 240,030
- φ(n) — Euler's totient
- 64,000
- Sum of prime factors
- 16,007
Primality
Prime factorization: 2 3 × 16001
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√128,008 = [357; (1, 3, 1, 1, 2, 3, 30, 1, 4, 2, 4, 1, 4, 5, 2, 1, 17, 1, 1, 1, 19, 4, 1, 1, …)]
Representations
- In words
- one hundred twenty-eight thousand eight
- Ordinal
- 128008th
- Binary
- 11111010000001000
- Octal
- 372010
- Hexadecimal
- 0x1F408
- Base64
- AfQI
- One's complement
- 4,294,839,287 (32-bit)
- Scientific notation
- 1.28008 × 10⁵
- As a duration
- 128,008 s = 1 day, 11 hours, 33 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκηηʹ
- Mayan (base 20)
- 𝋰·𝋠·𝋠·𝋨
- Chinese
- 一十二萬八千零八
- Chinese (financial)
- 壹拾貳萬捌仟零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 128008, here are decompositions:
- 11 + 127997 = 128008
- 29 + 127979 = 128008
- 131 + 127877 = 128008
- 149 + 127859 = 128008
- 191 + 127817 = 128008
- 227 + 127781 = 128008
- 269 + 127739 = 128008
- 281 + 127727 = 128008
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9F 90 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.244.8.
- Address
- 0.1.244.8
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.244.8
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 128,008 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 128008 first appears in π at position 63,496 of the decimal expansion (the 63,496ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.