126,040
126,040 is a composite number, even.
126,040 (one hundred twenty-six thousand forty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5 × 23 × 137. Its proper divisors sum to 172,040, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1EC58.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 40,621
- Recamán's sequence
- a(234,084) = 126,040
- Square (n²)
- 15,886,081,600
- Cube (n³)
- 2,002,281,724,864,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 298,080
- φ(n) — Euler's totient
- 47,872
- Sum of prime factors
- 171
Primality
Prime factorization: 2 3 × 5 × 23 × 137
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,040 = [355; (47, 2, 1, 78, 4, 2, 4, 1, 4, 2, 2, 8, 2, 1, 3, 1, 3, 1, 2, 8, 2, 2, 4, 1, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-six thousand forty
- Ordinal
- 126040th
- Binary
- 11110110001011000
- Octal
- 366130
- Hexadecimal
- 0x1EC58
- Base64
- AexY
- One's complement
- 4,294,841,255 (32-bit)
- Scientific notation
- 1.2604 × 10⁵
- As a duration
- 126,040 s = 1 day, 11 hours, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 · 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκϛμʹ
- Mayan (base 20)
- 𝋯·𝋯·𝋢·𝋠
- Chinese
- 一十二萬六千零四十
- Chinese (financial)
- 壹拾貳萬陸仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 126040, here are decompositions:
- 3 + 126037 = 126040
- 17 + 126023 = 126040
- 29 + 126011 = 126040
- 107 + 125933 = 126040
- 113 + 125927 = 126040
- 227 + 125813 = 126040
- 251 + 125789 = 126040
- 263 + 125777 = 126040
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.236.88.
- Address
- 0.1.236.88
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.236.88
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 126,040 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 126040 first appears in π at position 916,047 of the decimal expansion (the 916,047ordinal-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.