142,198
142,198 is a composite number, even.
142,198 (one hundred forty-two thousand one hundred ninety-eight) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2 × 7² × 1,451. Written other ways, in hexadecimal, 0x22B76.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 576
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 891,241
- Recamán's sequence
- a(39,708) = 142,198
- Square (n²)
- 20,220,271,204
- Cube (n³)
- 2,875,282,124,666,392
- Divisor count
- 12
- σ(n) — sum of divisors
- 248,292
- φ(n) — Euler's totient
- 60,900
- Sum of prime factors
- 1,467
Primality
Prime factorization: 2 × 7 2 × 1451
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,198 = [377; (10, 1, 13, 17, 2, 7, 7, 1, 1, 3, 1, 1, 10, 1, 6, 2, 2, 4, 4, 1, 1, 14, 1, 5, …)]
Representations
- In words
- one hundred forty-two thousand one hundred ninety-eight
- Ordinal
- 142198th
- Binary
- 100010101101110110
- Octal
- 425566
- Hexadecimal
- 0x22B76
- Base64
- Ait2
- One's complement
- 4,294,825,097 (32-bit)
- Scientific notation
- 1.42198 × 10⁵
- As a duration
- 142,198 s = 1 day, 15 hours, 29 minutes, 58 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρϟηʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋩·𝋲
- Chinese
- 一十四萬二千一百九十八
- Chinese (financial)
- 壹拾肆萬貳仟壹佰玖拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142198, here are decompositions:
- 5 + 142193 = 142198
- 29 + 142169 = 142198
- 41 + 142157 = 142198
- 47 + 142151 = 142198
- 101 + 142097 = 142198
- 131 + 142067 = 142198
- 137 + 142061 = 142198
- 149 + 142049 = 142198
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AD B6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.118.
- Address
- 0.2.43.118
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.118
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 142,198 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 142198 first appears in π at position 244,583 of the decimal expansion (the 244,583ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.