142,390
142,390 is a composite number, even.
142,390 (one hundred forty-two thousand three hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 29 × 491. Written other ways, in hexadecimal, 0x22C36.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 93,241
- Recamán's sequence
- a(40,092) = 142,390
- Square (n²)
- 20,274,912,100
- Cube (n³)
- 2,886,944,733,919,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 265,680
- φ(n) — Euler's totient
- 54,880
- Sum of prime factors
- 527
Primality
Prime factorization: 2 × 5 × 29 × 491
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,390 = [377; (2, 1, 8, 9, 4, 1, 21, 2, 1, 1, 4, 1, 3, 14, 1, 1, 6, 2, 2, 5, 2, 4, 125, 1, …)]
Representations
- In words
- one hundred forty-two thousand three hundred ninety
- Ordinal
- 142390th
- Binary
- 100010110000110110
- Octal
- 426066
- Hexadecimal
- 0x22C36
- Base64
- Aiw2
- One's complement
- 4,294,824,905 (32-bit)
- Scientific notation
- 1.4239 × 10⁵
- As a duration
- 142,390 s = 1 day, 15 hours, 33 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμβτϟʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋳·𝋪
- Chinese
- 一十四萬二千三百九十
- Chinese (financial)
- 壹拾肆萬貳仟參佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142390, here are decompositions:
- 71 + 142319 = 142390
- 167 + 142223 = 142390
- 173 + 142217 = 142390
- 179 + 142211 = 142390
- 197 + 142193 = 142390
- 233 + 142157 = 142390
- 239 + 142151 = 142390
- 293 + 142097 = 142390
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B0 B6 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.54.
- Address
- 0.2.44.54
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.54
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 142,390 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 142390 first appears in π at position 41,084 of the decimal expansion (the 41,084ordinal-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.