142,105
142,105 is a composite number, odd.
142,105 (one hundred forty-two thousand one hundred five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 5 × 97 × 293. Written other ways, in hexadecimal, 0x22B19.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 501,241
- Recamán's sequence
- a(484,617) = 142,105
- Square (n²)
- 20,193,831,025
- Cube (n³)
- 2,869,644,357,807,625
- Divisor count
- 8
- σ(n) — sum of divisors
- 172,872
- φ(n) — Euler's totient
- 112,128
- Sum of prime factors
- 395
Primality
Prime factorization: 5 × 97 × 293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,105 = [376; (1, 30, 2, 2, 2, 4, 1, 4, 1, 1, 7, 2, 1, 1, 3, 12, 12, 3, 1, 1, 2, 7, 1, 1, …)]
Period length 33 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand one hundred five
- Ordinal
- 142105th
- Binary
- 100010101100011001
- Octal
- 425431
- Hexadecimal
- 0x22B19
- Base64
- AisZ
- One's complement
- 4,294,825,190 (32-bit)
- Scientific notation
- 1.42105 × 10⁵
- As a duration
- 142,105 s = 1 day, 15 hours, 28 minutes, 25 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρεʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋥·𝋥
- Chinese
- 一十四萬二千一百零五
- Chinese (financial)
- 壹拾肆萬貳仟壹佰零伍
Also seen as
UTF-8 encoding: F0 A2 AC 99 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.25.
- Address
- 0.2.43.25
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.25
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 142,105 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 142105 first appears in π at position 402,521 of the decimal expansion (the 402,521ordinal-suffix:st 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.