Live analysis
1,000,081
1,000,081 is a prime, odd.
This number doesn't have a permanent NumberWiki page yet — what you see below is computed live.
Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Interestingness
Properties
- Parity
- Odd
- Digit count
- 7
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 1,800,001
- Flips to (rotate 180°)
- 1,800,001
- Square (n²)
- 1,000,162,006,561
- Cube (n³)
- 1,000,243,019,683,531,441
- Divisor count
- 2
- σ(n) — sum of divisors
- 1,000,082
- φ(n) — Euler's totient
- 1,000,080
Primality
1,000,081 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
All divisors (2)
Aliquot sum (sum of proper divisors):
1
Factor pairs (a × b = 1,000,081)
First multiples
1,000,081
·
2,000,162
(double)
·
3,000,243
·
4,000,324
·
5,000,405
·
6,000,486
·
7,000,567
·
8,000,648
·
9,000,729
·
10,000,810
Sums & aliquot sequence
As a sum of two squares:
9² + 1,000²
As consecutive integers:
500,040 + 500,041
Continued fraction of √n
√1,000,081 = [1000; (24, 1, 2, 4, 12, 1, 12, 1, 6, 1, 1, 1, 5, 4, 29, 1, 1, 1, 1, 2, 1, 1, 2, 3, …)]
Representations
- In words
- one million eighty-one
- Ordinal
- 1000081st
- Binary
- 11110100001010010001
- Octal
- 3641221
- Hexadecimal
- 0xF4291
- Base64
- D0KR
- One's complement
- 4,293,967,214 (32-bit)
- Scientific notation
- 1.000081 × 10⁶
- As a duration
- 1,000,081 s = 11 days, 13 hours, 48 minutes, 1 second
In other bases
ternary (3)
1212210212001
quaternary (4)
3310022101
quinary (5)
224000311
senary (6)
33234001
septenary (7)
11333455
nonary (9)
1783761
undecimal (11)
623415
duodecimal (12)
402901
tridecimal (13)
290284
tetradecimal (14)
1c0665
pentadecimal (15)
14b4c1
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓁨𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Chinese
- 一百萬零八十一
- Chinese (financial)
- 壹佰萬零捌拾壹
In other modern scripts
Eastern Arabic
١٠٠٠٠٨١
Devanagari
१००००८१
Bengali
১০০০০৮১
Tamil
௧௦௦௦௦௮௧
Thai
๑๐๐๐๐๘๑
Tibetan
༡༠༠༠༠༨༡
Khmer
១០០០០៨១
Lao
໑໐໐໐໐໘໑
Burmese
၁၀၀၀၀၈၁
Also seen as
Prime neighborhood
Hex color
#0F4291
RGB(15, 66, 145)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.15.66.145.
- Address
- 0.15.66.145
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.66.145
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Possible US patent number
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 1,000,081 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.