126,080
126,080 is a composite number, even.
126,080 (one hundred twenty-six thousand eighty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2⁷ × 5 × 197. Its proper divisors sum to 176,860, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1EC80.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 80,621
- Recamán's sequence
- a(234,004) = 126,080
- Square (n²)
- 15,896,166,400
- Cube (n³)
- 2,004,188,659,712,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 302,940
- φ(n) — Euler's totient
- 50,176
- Sum of prime factors
- 216
Primality
Prime factorization: 2 7 × 5 × 197
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,080 = [355; (12, 1, 10, 5, 1, 3, 2, 43, 1, 16, 2, 1, 10, 2, 2, 1, 3, 177, 3, 1, 2, 2, 10, 1, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-six thousand eighty
- Ordinal
- 126080th
- Binary
- 11110110010000000
- Octal
- 366200
- Hexadecimal
- 0x1EC80
- Base64
- AeyA
- One's complement
- 4,294,841,215 (32-bit)
- Scientific notation
- 1.2608 × 10⁵
- As a duration
- 126,080 s = 1 day, 11 hours, 1 minute, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκϛπʹ
- Mayan (base 20)
- 𝋯·𝋯·𝋤·𝋠
- Chinese
- 一十二萬六千零八十
- Chinese (financial)
- 壹拾貳萬陸仟零捌拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 126080, here are decompositions:
- 13 + 126067 = 126080
- 43 + 126037 = 126080
- 61 + 126019 = 126080
- 67 + 126013 = 126080
- 79 + 126001 = 126080
- 139 + 125941 = 126080
- 151 + 125929 = 126080
- 181 + 125899 = 126080
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E B2 80 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.236.128.
- Address
- 0.1.236.128
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.236.128
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 126,080 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 126080 first appears in π at position 144,505 of the decimal expansion (the 144,505ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.