number.wiki
Live analysis

998,009

998,009 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.).

998,009 (nine hundred ninety-eight thousand nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF3A79.

Arithmetic Number Chen Prime Cube-Free Deficient Number Flippable Odious Number Pernicious Number Prime Pythagorean Prime Self Number Sophie Germain Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
35
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
900,899
Flips to (rotate 180°)
600,866
Square (n²)
996,021,964,081
Cube (n³)
994,038,884,350,514,729
Divisor count
2
σ(n) — sum of divisors
998,010
φ(n) — Euler's totient
998,008

Primality

998,009 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 998009
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 998,009)
1 × 998009
First multiples
998,009 · 1,996,018 (double) · 2,994,027 · 3,992,036 · 4,990,045 · 5,988,054 · 6,986,063 · 7,984,072 · 8,982,081 · 9,980,090

Sums & aliquot sequence

As a sum of two squares: 520² + 853²
As consecutive integers: 499,004 + 499,005

Continued fraction of √n

√998,009 = [999; (249, 1, 3, 124, 1, 1, 1, 2, 62, 15, 1, 30, 3, 1, 1, 4, 15, 2, 1, 1, 3, 1, 2, 7, …)]

Representations

In words
nine hundred ninety-eight thousand nine
Ordinal
998009th
Binary
11110011101001111001
Octal
3635171
Hexadecimal
0xF3A79
Base64
Dzp5
One's complement
4,293,969,286 (32-bit)
Scientific notation
9.98009 × 10⁵
As a duration
998,009 s = 11 days, 13 hours, 13 minutes, 29 seconds
In other bases
ternary (3) 1212201000022
quaternary (4) 3303221321
quinary (5) 223414014
senary (6) 33220225
septenary (7) 11324435
nonary (9) 1781008
undecimal (11) 621901
duodecimal (12) 401675
tridecimal (13) 28c34c
tetradecimal (14) 1bd9c5
pentadecimal (15) 14aa8e

As an angle

998,009° = 2,772 × 360° + 89°
89° ≈ 1.553 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟηθʹ
Chinese
九十九萬八千零九
Chinese (financial)
玖拾玖萬捌仟零玖
In other modern scripts
Eastern Arabic ٩٩٨٠٠٩ Devanagari ९९८००९ Bengali ৯৯৮০০৯ Tamil ௯௯௮௦௦௯ Thai ๙๙๘๐๐๙ Tibetan ༩༩༨༠༠༩ Khmer ៩៩៨០០៩ Lao ໙໙໘໐໐໙ Burmese ၉၉၈၀၀၉

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F3A79
RGB(15, 58, 121)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.58.121.

Address
0.15.58.121
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.58.121

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 998,009 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.