147,142
147,142 is a composite number, even.
147,142 (one hundred forty-seven thousand one hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 73,571. Written other ways, in hexadecimal, 0x23EC6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 224
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 241,741
- Recamán's sequence
- a(214,132) = 147,142
- Square (n²)
- 21,650,768,164
- Cube (n³)
- 3,185,737,329,187,288
- Divisor count
- 4
- σ(n) — sum of divisors
- 220,716
- φ(n) — Euler's totient
- 73,570
- Sum of prime factors
- 73,573
Primality
Prime factorization: 2 × 73571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√147,142 = [383; (1, 1, 2, 4, 109, 2, 1, 2, 2, 1, 5, 15, 2, 12, 1, 39, 2, 4, 1, 2, 1, 1, 1, 3, …)]
Representations
- In words
- one hundred forty-seven thousand one hundred forty-two
- Ordinal
- 147142nd
- Binary
- 100011111011000110
- Octal
- 437306
- Hexadecimal
- 0x23EC6
- Base64
- Aj7G
- One's complement
- 4,294,820,153 (32-bit)
- Scientific notation
- 1.47142 × 10⁵
- As a duration
- 147,142 s = 1 day, 16 hours, 52 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμζρμβʹ
- Mayan (base 20)
- 𝋲·𝋧·𝋱·𝋢
- Chinese
- 一十四萬七千一百四十二
- Chinese (financial)
- 壹拾肆萬柒仟壹佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 147142, here are decompositions:
- 3 + 147139 = 147142
- 5 + 147137 = 147142
- 53 + 147089 = 147142
- 59 + 147083 = 147142
- 113 + 147029 = 147142
- 131 + 147011 = 147142
- 251 + 146891 = 147142
- 293 + 146849 = 147142
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A3 BB 86 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.62.198.
- Address
- 0.2.62.198
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.62.198
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 147,142 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 147142 first appears in π at position 409,909 of the decimal expansion (the 409,909ordinal-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.