126,920
126,920 is a composite number, even.
126,920 (one hundred twenty-six thousand nine hundred twenty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5 × 19 × 167. Its proper divisors sum to 175,480, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1EFC8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 29,621
- Recamán's sequence
- a(499,527) = 126,920
- Square (n²)
- 16,108,686,400
- Cube (n³)
- 2,044,514,477,888,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 302,400
- φ(n) — Euler's totient
- 47,808
- Sum of prime factors
- 197
Primality
Prime factorization: 2 3 × 5 × 19 × 167
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,920 = [356; (3, 1, 6, 1, 3, 712)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-six thousand nine hundred twenty
- Ordinal
- 126920th
- Binary
- 11110111111001000
- Octal
- 367710
- Hexadecimal
- 0x1EFC8
- Base64
- Ae/I
- One's complement
- 4,294,840,375 (32-bit)
- Scientific notation
- 1.2692 × 10⁵
- As a duration
- 126,920 s = 1 day, 11 hours, 15 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρκϛϡκʹ
- Mayan (base 20)
- 𝋯·𝋱·𝋦·𝋠
- Chinese
- 一十二萬六千九百二十
- Chinese (financial)
- 壹拾貳萬陸仟玖佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 126920, here are decompositions:
- 7 + 126913 = 126920
- 61 + 126859 = 126920
- 97 + 126823 = 126920
- 139 + 126781 = 126920
- 163 + 126757 = 126920
- 181 + 126739 = 126920
- 229 + 126691 = 126920
- 307 + 126613 = 126920
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.239.200.
- Address
- 0.1.239.200
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.239.200
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 126,920 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 126920 first appears in π at position 474,044 of the decimal expansion (the 474,044ordinal-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.