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998,665

998,665 is a composite number, 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.).

998,665 (nine hundred ninety-eight thousand six hundred sixty-five) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 5 × 17 × 31 × 379. Written other ways, in hexadecimal, 0xF3D09.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
43
Digit product
116,640
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
566,899
Square (n²)
997,331,782,225
Cube (n³)
996,000,344,295,729,625
Divisor count
16
σ(n) — sum of divisors
1,313,280
φ(n) — Euler's totient
725,760
Sum of prime factors
432

Primality

Prime factorization: 5 × 17 × 31 × 379

Nearest primes: 998,653 (−12) · 998,681 (+16)

Divisors & multiples

All divisors (16)
1 · 5 · 17 · 31 · 85 · 155 · 379 · 527 · 1895 · 2635 · 6443 · 11749 · 32215 · 58745 · 199733 · 998665
Aliquot sum (sum of proper divisors): 314,615
Factor pairs (a × b = 998,665)
1 × 998665
5 × 199733
17 × 58745
31 × 32215
85 × 11749
155 × 6443
379 × 2635
527 × 1895
First multiples
998,665 · 1,997,330 (double) · 2,995,995 · 3,994,660 · 4,993,325 · 5,991,990 · 6,990,655 · 7,989,320 · 8,987,985 · 9,986,650

Sums & aliquot sequence

As consecutive integers: 499,332 + 499,333 199,731 + 199,732 + 199,733 + 199,734 + 199,735 99,862 + 99,863 + … + 99,871 58,737 + 58,738 + … + 58,753
Aliquot sequence: 998,665 314,615 126,025 32,478 32,490 56,664 96,996 134,844 198,804 265,100 365,068 331,964 264,940 334,820 368,344 339,776 334,594 — unresolved within range

Continued fraction of √n

√998,665 = [999; (3, 104, 1, 6, 8, 5, 2, 2, 2, 1, 1, 8, 1, 1, 5, 1, 2, 3, 8, 2, 3, 24, 2, 1, …)]

Representations

In words
nine hundred ninety-eight thousand six hundred sixty-five
Ordinal
998665th
Binary
11110011110100001001
Octal
3636411
Hexadecimal
0xF3D09
Base64
Dz0J
One's complement
4,293,968,630 (32-bit)
Scientific notation
9.98665 × 10⁵
As a duration
998,665 s = 11 days, 13 hours, 24 minutes, 25 seconds
In other bases
ternary (3) 1212201220121
quaternary (4) 3303310021
quinary (5) 223424130
senary (6) 33223241
septenary (7) 11326363
nonary (9) 1781817
undecimal (11) 622348
duodecimal (12) 401b21
tridecimal (13) 28c735
tetradecimal (14) 1bdd33
pentadecimal (15) 14ad7a

As an angle

998,665° = 2,774 × 360° + 25°
25° ≈ 0.436 rad

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟηχξεʹ
Chinese
九十九萬八千六百六十五
Chinese (financial)
玖拾玖萬捌仟陸佰陸拾伍
In other modern scripts
Eastern Arabic ٩٩٨٦٦٥ Devanagari ९९८६६५ Bengali ৯৯৮৬৬৫ Tamil ௯௯௮௬௬௫ Thai ๙๙๘๖๖๕ Tibetan ༩༩༨༦༦༥ Khmer ៩៩៨៦៦៥ Lao ໙໙໘໖໖໕ Burmese ၉၉၈၆၆၅

Also seen as

Hex color
#0F3D09
RGB(15, 61, 9)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.61.9.

Address
0.15.61.9
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.61.9

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 998,665 and was likely granted around 1911.

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

Position in π

The digit sequence 998665 first appears in π at position 57,621 of the decimal expansion (the 57,621ordinal-suffix:st digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Related reading