143,400
143,400 is a composite number, even.
143,400 (one hundred forty-three thousand four hundred) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2³ × 3 × 5² × 239. Its proper divisors sum to 303,000, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x23028.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 4,341
- Recamán's sequence
- a(221,616) = 143,400
- Square (n²)
- 20,563,560,000
- Cube (n³)
- 2,948,814,504,000,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 446,400
- φ(n) — Euler's totient
- 38,080
- Sum of prime factors
- 258
Primality
Prime factorization: 2 3 × 3 × 5 2 × 239
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√143,400 = [378; (1, 2, 6, 1, 18, 1, 1, 3, 1, 30, 1, 3, 1, 1, 18, 1, 6, 2, 1, 756)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-three thousand four hundred
- Ordinal
- 143400th
- Binary
- 100011000000101000
- Octal
- 430050
- Hexadecimal
- 0x23028
- Base64
- AjAo
- One's complement
- 4,294,823,895 (32-bit)
- Scientific notation
- 1.434 × 10⁵
- As a duration
- 143,400 s = 1 day, 15 hours, 50 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρμγυʹ
- Mayan (base 20)
- 𝋱·𝋲·𝋪·𝋠
- Chinese
- 一十四萬三千四百
- Chinese (financial)
- 壹拾肆萬參仟肆佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 143400, here are decompositions:
- 13 + 143387 = 143400
- 43 + 143357 = 143400
- 67 + 143333 = 143400
- 71 + 143329 = 143400
- 109 + 143291 = 143400
- 113 + 143287 = 143400
- 137 + 143263 = 143400
- 139 + 143261 = 143400
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 80 A8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.48.40.
- Address
- 0.2.48.40
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.48.40
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 143,400 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 143400 first appears in π at position 516,881 of the decimal expansion (the 516,881ordinal-suffix:st 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.