126,001
126,001 is a prime, odd.
126,001 (one hundred twenty-six thousand one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1EC31.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 100,621
- Recamán's sequence
- a(234,162) = 126,001
- Square (n²)
- 15,876,252,001
- Cube (n³)
- 2,000,423,628,378,001
- Divisor count
- 2
- σ(n) — sum of divisors
- 126,002
- φ(n) — Euler's totient
- 126,000
Primality
126,001 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,001 = [354; (1, 28, 1, 1, 2, 1, 1, 4, 2, 1, 7, 2, 8, 11, 1, 10, 1, 2, 1, 1, 2, 1, 1, 2, …)]
Representations
- In words
- one hundred twenty-six thousand one
- Ordinal
- 126001st
- Binary
- 11110110000110001
- Octal
- 366061
- Hexadecimal
- 0x1EC31
- Base64
- Aewx
- One's complement
- 4,294,841,294 (32-bit)
- Scientific notation
- 1.26001 × 10⁵
- As a duration
- 126,001 s = 1 day, 11 hours, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 · 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵ρκϛαʹ
- Mayan (base 20)
- 𝋯·𝋯·𝋠·𝋡
- Chinese
- 一十二萬六千零一
- Chinese (financial)
- 壹拾貳萬陸仟零壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.236.49.
- Address
- 0.1.236.49
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.236.49
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 126,001 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 126001 first appears in π at position 190,492 of the decimal expansion (the 190,492ordinal-suffix:nd 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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.