143,888
143,888 is a composite number, even.
143,888 (one hundred forty-three thousand eight hundred eighty-eight) is an even 6-digit number. It is a composite number with 30 divisors, and factors as 2⁴ × 17 × 23². Its proper divisors sum to 164,686, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x23210.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 32
- Digit product
- 6,144
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 888,341
- Recamán's sequence
- a(220,640) = 143,888
- Square (n²)
- 20,703,756,544
- Cube (n³)
- 2,979,022,121,603,072
- Divisor count
- 30
- σ(n) — sum of divisors
- 308,574
- φ(n) — Euler's totient
- 64,768
- Sum of prime factors
- 71
Primality
Prime factorization: 2 4 × 17 × 23 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√143,888 = [379; (3, 14, 3, 1, 9, 4, 2, 1, 1, 2, 2, 1, 2, 5, 1, 1, 3, 1, 6, 1, 1, 2, 2, 2, …)]
Period length 46 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-three thousand eight hundred eighty-eight
- Ordinal
- 143888th
- Binary
- 100011001000010000
- Octal
- 431020
- Hexadecimal
- 0x23210
- Base64
- AjIQ
- One's complement
- 4,294,823,407 (32-bit)
- Scientific notation
- 1.43888 × 10⁵
- As a duration
- 143,888 s = 1 day, 15 hours, 58 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμγωπηʹ
- Mayan (base 20)
- 𝋱·𝋳·𝋮·𝋨
- Chinese
- 一十四萬三千八百八十八
- Chinese (financial)
- 壹拾肆萬參仟捌佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 143888, here are decompositions:
- 7 + 143881 = 143888
- 61 + 143827 = 143888
- 67 + 143821 = 143888
- 97 + 143791 = 143888
- 109 + 143779 = 143888
- 211 + 143677 = 143888
- 271 + 143617 = 143888
- 337 + 143551 = 143888
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 88 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.50.16.
- Address
- 0.2.50.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.50.16
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 143,888 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 143888 first appears in π at position 98,223 of the decimal expansion (the 98,223ordinal-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.