142,005
142,005 is a composite number, odd.
142,005 (one hundred forty-two thousand five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 5 × 9,467. Written other ways, in hexadecimal, 0x22AB5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 500,241
- Recamán's sequence
- a(484,817) = 142,005
- Square (n²)
- 20,165,420,025
- Cube (n³)
- 2,863,590,470,650,125
- Divisor count
- 8
- σ(n) — sum of divisors
- 227,232
- φ(n) — Euler's totient
- 75,728
- Sum of prime factors
- 9,475
Primality
Prime factorization: 3 × 5 × 9467
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,005 = [376; (1, 5, 12, 1, 1, 1, 1, 4, 1, 4, 1, 1, 10, 14, 1, 2, 6, 2, 4, 2, 1, 1, 37, 10, …)]
Representations
- In words
- one hundred forty-two thousand five
- Ordinal
- 142005th
- Binary
- 100010101010110101
- Octal
- 425265
- Hexadecimal
- 0x22AB5
- Base64
- Aiq1
- One's complement
- 4,294,825,290 (32-bit)
- Scientific notation
- 1.42005 × 10⁵
- As a duration
- 142,005 s = 1 day, 15 hours, 26 minutes, 45 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβεʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋠·𝋥
- Chinese
- 一十四萬二千零五
- Chinese (financial)
- 壹拾肆萬貳仟零伍
Also seen as
UTF-8 encoding: F0 A2 AA B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.42.181.
- Address
- 0.2.42.181
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.42.181
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 142,005 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 142005 first appears in π at position 281,696 of the decimal expansion (the 281,696ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.