142,982
142,982 is a composite number, even.
142,982 (one hundred forty-two thousand nine hundred eighty-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2 × 7² × 1,459. Written other ways, in hexadecimal, 0x22E86.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,152
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 289,241
- Recamán's sequence
- a(222,452) = 142,982
- Square (n²)
- 20,443,852,324
- Cube (n³)
- 2,923,102,892,990,168
- Divisor count
- 12
- σ(n) — sum of divisors
- 249,660
- φ(n) — Euler's totient
- 61,236
- Sum of prime factors
- 1,475
Primality
Prime factorization: 2 × 7 2 × 1459
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,982 = [378; (7, 1, 2, 1, 1, 14, 1, 6, 7, 1, 1, 2, 1, 14, 1, 2, 1, 1, 7, 6, 1, 14, 1, 1, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand nine hundred eighty-two
- Ordinal
- 142982nd
- Binary
- 100010111010000110
- Octal
- 427206
- Hexadecimal
- 0x22E86
- Base64
- Ai6G
- One's complement
- 4,294,824,313 (32-bit)
- Scientific notation
- 1.42982 × 10⁵
- As a duration
- 142,982 s = 1 day, 15 hours, 43 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμβϡπβʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋩·𝋢
- Chinese
- 一十四萬二千九百八十二
- Chinese (financial)
- 壹拾肆萬貳仟玖佰捌拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142982, here are decompositions:
- 3 + 142979 = 142982
- 13 + 142969 = 142982
- 19 + 142963 = 142982
- 43 + 142939 = 142982
- 79 + 142903 = 142982
- 109 + 142873 = 142982
- 193 + 142789 = 142982
- 211 + 142771 = 142982
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 BA 86 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.134.
- Address
- 0.2.46.134
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.134
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 142,982 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 142982 first appears in π at position 318,800 of the decimal expansion (the 318,800ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.