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1,008,809

1,008,809 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.).

1,008,809 (one million eight thousand eight hundred nine) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF64A9.

Arithmetic Number Chen Prime Cube-Free Deficient Number Flippable Odious Number Pernicious Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
9,088,001
Flips to (rotate 180°)
6,088,001
Recamán's sequence
a(347,833) = 1,008,809
Square (n²)
1,017,695,598,481
Cube (n³)
1,026,660,479,008,019,129
Divisor count
2
σ(n) — sum of divisors
1,008,810
φ(n) — Euler's totient
1,008,808

Primality

1,008,809 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1008809
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,008,809)
1 × 1008809
First multiples
1,008,809 · 2,017,618 (double) · 3,026,427 · 4,035,236 · 5,044,045 · 6,052,854 · 7,061,663 · 8,070,472 · 9,079,281 · 10,088,090

Sums & aliquot sequence

As a sum of two squares: 403² + 920²
As consecutive integers: 504,404 + 504,405

Continued fraction of √n

√1,008,809 = [1004; (2, 1, 1, 7, 6, 2, 2, 3, 62, 2, 12, 1, 2, 1, 1, 3, 5, 9, 2, 7, 2, 1, 2, 6, …)]

Representations

In words
one million eight thousand eight hundred nine
Ordinal
1008809th
Binary
11110110010010101001
Octal
3662251
Hexadecimal
0xF64A9
Base64
D2Sp
One's complement
4,293,958,486 (32-bit)
Scientific notation
1.008809 × 10⁶
As a duration
1,008,809 s = 11 days, 16 hours, 13 minutes, 29 seconds
In other bases
ternary (3) 1220020211022
quaternary (4) 3312102221
quinary (5) 224240214
senary (6) 33342225
septenary (7) 11401064
nonary (9) 1806738
undecimal (11) 629a2a
duodecimal (12) 407975
tridecimal (13) 294239
tetradecimal (14) 1c38db
pentadecimal (15) 14dd8e

As an angle

1,008,809° = 2,802 × 360° + 89°
89° ≈ 1.553 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬八千八百零九
Chinese (financial)
壹佰萬捌仟捌佰零玖
In other modern scripts
Eastern Arabic ١٠٠٨٨٠٩ Devanagari १००८८०९ Bengali ১০০৮৮০৯ Tamil ௧௦௦௮௮௦௯ Thai ๑๐๐๘๘๐๙ Tibetan ༡༠༠༨༨༠༩ Khmer ១០០៨៨០៩ Lao ໑໐໐໘໘໐໙ Burmese ၁၀၀၈၈၀၉

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F64A9
RGB(15, 100, 169)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.100.169.

Address
0.15.100.169
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.100.169

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 1,008,809 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

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.