142,222
142,222 is a composite number, even.
142,222 (one hundred forty-two thousand two hundred twenty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 17 × 47 × 89. Written other ways, in hexadecimal, 0x22B8E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 64
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 222,241
- Recamán's sequence
- a(39,756) = 142,222
- Square (n²)
- 20,227,097,284
- Cube (n³)
- 2,876,738,229,925,048
- Divisor count
- 16
- σ(n) — sum of divisors
- 233,280
- φ(n) — Euler's totient
- 64,768
- Sum of prime factors
- 155
Primality
Prime factorization: 2 × 17 × 47 × 89
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,222 = [377; (8, 9, 5, 2, 1, 4, 4, 8, 4, 4, 1, 2, 5, 9, 8, 754)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand two hundred twenty-two
- Ordinal
- 142222nd
- Binary
- 100010101110001110
- Octal
- 425616
- Hexadecimal
- 0x22B8E
- Base64
- AiuO
- One's complement
- 4,294,825,073 (32-bit)
- Scientific notation
- 1.42222 × 10⁵
- As a duration
- 142,222 s = 1 day, 15 hours, 30 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμβσκβʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋫·𝋢
- Chinese
- 一十四萬二千二百二十二
- Chinese (financial)
- 壹拾肆萬貳仟貳佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142222, here are decompositions:
- 5 + 142217 = 142222
- 11 + 142211 = 142222
- 29 + 142193 = 142222
- 53 + 142169 = 142222
- 71 + 142151 = 142222
- 173 + 142049 = 142222
- 191 + 142031 = 142222
- 251 + 141971 = 142222
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AE 8E (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.142.
- Address
- 0.2.43.142
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.142
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 142,222 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 142222 first appears in π at position 943,755 of the decimal expansion (the 943,755ordinal-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.