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1,000,889

1,000,889 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.).

1,000,889 (one million eight hundred eighty-nine) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF45B9.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Evil Number Flippable Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
9,880,001
Flips to (rotate 180°)
6,880,001
Square (n²)
1,001,778,790,321
Cube (n³)
1,002,669,371,665,595,369
Divisor count
2
σ(n) — sum of divisors
1,000,890
φ(n) — Euler's totient
1,000,888

Primality

1,000,889 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1000889
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,000,889)
1 × 1000889
First multiples
1,000,889 · 2,001,778 (double) · 3,002,667 · 4,003,556 · 5,004,445 · 6,005,334 · 7,006,223 · 8,007,112 · 9,008,001 · 10,008,890

Sums & aliquot sequence

As a sum of two squares: 400² + 917²
As consecutive integers: 500,444 + 500,445

Continued fraction of √n

√1,000,889 = [1000; (2, 3, 1, 285, 15, 1, 3, 40, 1, 1, 2, 1, 1, 1, 1, 6, 2, 5, 2, 1, 2, 2, 12, 11, …)]

Representations

In words
one million eight hundred eighty-nine
Ordinal
1000889th
Binary
11110100010110111001
Octal
3642671
Hexadecimal
0xF45B9
Base64
D0W5
One's complement
4,293,966,406 (32-bit)
Scientific notation
1.000889 × 10⁶
As a duration
1,000,889 s = 11 days, 14 hours, 1 minute, 29 seconds
In other bases
ternary (3) 1212211221222
quaternary (4) 3310112321
quinary (5) 224012024
senary (6) 33241425
septenary (7) 11336021
nonary (9) 1784858
undecimal (11) 623a8a
duodecimal (12) 403275
tridecimal (13) 290756
tetradecimal (14) 1c0a81
pentadecimal (15) 14b85e

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬零八百八十九
Chinese (financial)
壹佰萬零捌佰捌拾玖
In other modern scripts
Eastern Arabic ١٠٠٠٨٨٩ Devanagari १०००८८९ Bengali ১০০০৮৮৯ Tamil ௧௦௦௦௮௮௯ Thai ๑๐๐๐๘๘๙ Tibetan ༡༠༠༠༨༨༩ Khmer ១០០០៨៨៩ Lao ໑໐໐໐໘໘໙ Burmese ၁၀၀၀၈၈၉

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F45B9
RGB(15, 69, 185)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.69.185.

Address
0.15.69.185
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.69.185

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 1,000,889 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.