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998,957

998,957 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.).

998,957 (nine hundred ninety-eight thousand nine hundred fifty-seven) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF3E2D.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Prime Pythagorean Prime Sexy Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
47
Digit product
204,120
Digital root
2
Palindrome
No
Bit width
20 bits
Reversed
759,899
Square (n²)
997,915,087,849
Cube (n³)
996,874,262,412,373,493
Divisor count
2
σ(n) — sum of divisors
998,958
φ(n) — Euler's totient
998,956

Primality

998,957 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 998957
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 998,957)
1 × 998957
First multiples
998,957 · 1,997,914 (double) · 2,996,871 · 3,995,828 · 4,994,785 · 5,993,742 · 6,992,699 · 7,991,656 · 8,990,613 · 9,989,570

Sums & aliquot sequence

As a sum of two squares: 499² + 866²
As consecutive integers: 499,478 + 499,479

Continued fraction of √n

√998,957 = [999; (2, 11, 18, 3, 1, 29, 12, 4, 2, 1, 6, 2, 1, 7, 1, 1, 1, 1, 2, 1, 2, 1, 70, 1, …)]

Representations

In words
nine hundred ninety-eight thousand nine hundred fifty-seven
Ordinal
998957th
Binary
11110011111000101101
Octal
3637055
Hexadecimal
0xF3E2D
Base64
Dz4t
One's complement
4,293,968,338 (32-bit)
Scientific notation
9.98957 × 10⁵
As a duration
998,957 s = 11 days, 13 hours, 29 minutes, 17 seconds
In other bases
ternary (3) 1212202022102
quaternary (4) 3303320231
quinary (5) 223431312
senary (6) 33224445
septenary (7) 11330261
nonary (9) 1782272
undecimal (11) 622593
duodecimal (12) 402125
tridecimal (13) 28c8cb
tetradecimal (14) 1c00a1
pentadecimal (15) 14aec2

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟηϡνζʹ
Chinese
九十九萬八千九百五十七
Chinese (financial)
玖拾玖萬捌仟玖佰伍拾柒
In other modern scripts
Eastern Arabic ٩٩٨٩٥٧ Devanagari ९९८९५७ Bengali ৯৯৮৯৫৭ Tamil ௯௯௮௯௫௭ Thai ๙๙๘๙๕๗ Tibetan ༩༩༨༩༥༧ Khmer ៩៩៨៩៥៧ Lao ໙໙໘໙໕໗ Burmese ၉၉၈၉၅၇

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: sexy with 998951.

Hex color
#0F3E2D
RGB(15, 62, 45)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.62.45.

Address
0.15.62.45
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.62.45

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 998,957 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.