143,428
143,428 is a composite number, even.
143,428 (one hundred forty-three thousand four hundred twenty-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 23 × 1,559. Written other ways, in hexadecimal, 0x23044.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 768
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 824,341
- Recamán's sequence
- a(221,560) = 143,428
- Square (n²)
- 20,571,591,184
- Cube (n³)
- 2,950,542,180,338,752
- Divisor count
- 12
- σ(n) — sum of divisors
- 262,080
- φ(n) — Euler's totient
- 68,552
- Sum of prime factors
- 1,586
Primality
Prime factorization: 2 2 × 23 × 1559
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√143,428 = [378; (1, 2, 1, 1, 3, 1, 6, 23, 1, 1, 10, 1, 1, 1, 2, 4, 2, 11, 2, 1, 1, 2, 3, 3, …)]
Representations
- In words
- one hundred forty-three thousand four hundred twenty-eight
- Ordinal
- 143428th
- Binary
- 100011000001000100
- Octal
- 430104
- Hexadecimal
- 0x23044
- Base64
- AjBE
- One's complement
- 4,294,823,867 (32-bit)
- Scientific notation
- 1.43428 × 10⁵
- As a duration
- 143,428 s = 1 day, 15 hours, 50 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμγυκηʹ
- Mayan (base 20)
- 𝋱·𝋲·𝋫·𝋨
- Chinese
- 一十四萬三千四百二十八
- Chinese (financial)
- 壹拾肆萬參仟肆佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 143428, here are decompositions:
- 41 + 143387 = 143428
- 71 + 143357 = 143428
- 137 + 143291 = 143428
- 167 + 143261 = 143428
- 179 + 143249 = 143428
- 251 + 143177 = 143428
- 269 + 143159 = 143428
- 317 + 143111 = 143428
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 81 84 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.48.68.
- Address
- 0.2.48.68
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.48.68
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 143,428 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 143428 first appears in π at position 789,896 of the decimal expansion (the 789,896ordinal-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.