142,284
142,284 is a composite number, even.
142,284 (one hundred forty-two thousand two hundred eighty-four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 71 × 167. Its proper divisors sum to 196,404, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22BCC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 512
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 482,241
- Recamán's sequence
- a(39,880) = 142,284
- Square (n²)
- 20,244,736,656
- Cube (n³)
- 2,880,502,110,362,304
- Divisor count
- 24
- σ(n) — sum of divisors
- 338,688
- φ(n) — Euler's totient
- 46,480
- Sum of prime factors
- 245
Primality
Prime factorization: 2 2 × 3 × 71 × 167
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,284 = [377; (4, 1, 6, 2, 4, 1, 11, 1, 31, 1, 7, 4, 2, 1, 20, 1, 6, 3, 3, 188, 3, 3, 6, 1, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand two hundred eighty-four
- Ordinal
- 142284th
- Binary
- 100010101111001100
- Octal
- 425714
- Hexadecimal
- 0x22BCC
- Base64
- AivM
- One's complement
- 4,294,825,011 (32-bit)
- Scientific notation
- 1.42284 × 10⁵
- As a duration
- 142,284 s = 1 day, 15 hours, 31 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβσπδʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋮·𝋤
- Chinese
- 一十四萬二千二百八十四
- Chinese (financial)
- 壹拾肆萬貳仟貳佰捌拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142284, here are decompositions:
- 13 + 142271 = 142284
- 47 + 142237 = 142284
- 53 + 142231 = 142284
- 61 + 142223 = 142284
- 67 + 142217 = 142284
- 73 + 142211 = 142284
- 101 + 142183 = 142284
- 127 + 142157 = 142284
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AF 8C (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.204.
- Address
- 0.2.43.204
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.204
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 142,284 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 142284 first appears in π at position 333,451 of the decimal expansion (the 333,451ordinal-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°.