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998,897

998,897 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.).

998,897 (nine hundred ninety-eight thousand eight hundred ninety-seven) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF3DF1.

Arithmetic Number Cube-Free Deficient Number Evil Number Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
50
Digit product
326,592
Digital root
5
Palindrome
No
Bit width
20 bits
Reversed
798,899
Square (n²)
997,795,216,609
Cube (n³)
996,694,648,485,080,273
Divisor count
2
σ(n) — sum of divisors
998,898
φ(n) — Euler's totient
998,896

Primality

998,897 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 998897
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 998,897)
1 × 998897
First multiples
998,897 · 1,997,794 (double) · 2,996,691 · 3,995,588 · 4,994,485 · 5,993,382 · 6,992,279 · 7,991,176 · 8,990,073 · 9,988,970

Sums & aliquot sequence

As a sum of two squares: 689² + 724²
As consecutive integers: 499,448 + 499,449

Continued fraction of √n

√998,897 = [999; (2, 4, 2, 1, 15, 1, 4, 1, 7, 1, 8, 1, 2, 1, 1, 1, 1, 2, 4, 2, 1, 1, 2, 1, …)]

Representations

In words
nine hundred ninety-eight thousand eight hundred ninety-seven
Ordinal
998897th
Binary
11110011110111110001
Octal
3636761
Hexadecimal
0xF3DF1
Base64
Dz3x
One's complement
4,293,968,398 (32-bit)
Scientific notation
9.98897 × 10⁵
As a duration
998,897 s = 11 days, 13 hours, 28 minutes, 17 seconds
In other bases
ternary (3) 1212202020012
quaternary (4) 3303313301
quinary (5) 223431042
senary (6) 33224305
septenary (7) 11330144
nonary (9) 1782205
undecimal (11) 622539
duodecimal (12) 402095
tridecimal (13) 28c883
tetradecimal (14) 1c005b
pentadecimal (15) 14ae82

As an angle

998,897° = 2,774 × 360° + 257°
257° ≈ 4.485 rad

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟηωϟζʹ
Chinese
九十九萬八千八百九十七
Chinese (financial)
玖拾玖萬捌仟捌佰玖拾柒
In other modern scripts
Eastern Arabic ٩٩٨٨٩٧ Devanagari ९९८८९७ Bengali ৯৯৮৮৯৭ Tamil ௯௯௮௮௯௭ Thai ๙๙๘๘๙๗ Tibetan ༩༩༨༨༩༧ Khmer ៩៩៨៨៩៧ Lao ໙໙໘໘໙໗ Burmese ၉၉၈၈၉၇

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F3DF1
RGB(15, 61, 241)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.61.241.

Address
0.15.61.241
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.61.241

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 998,897 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.