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998,081

998,081 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.).

998,081 (nine hundred ninety-eight thousand eighty-one) is an odd 6-digit number. It is a composite number with 6 divisors, and factors as 7² × 20,369. Written other ways, in hexadecimal, 0xF3AC1.

Arithmetic Number Cube-Free Deficient Number Flippable Happy Number Odious Number Pernicious Number

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
35
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
180,899
Flips to (rotate 180°)
180,866
Square (n²)
996,165,682,561
Cube (n³)
994,254,040,616,165,441
Divisor count
6
σ(n) — sum of divisors
1,161,090
φ(n) — Euler's totient
855,456
Sum of prime factors
20,383

Primality

Prime factorization: 7 2 × 20369

Nearest primes: 998,077 (−4) · 998,083 (+2)

Divisors & multiples

All divisors (6)
1 · 7 · 49 · 20369 · 142583 · 998081
Aliquot sum (sum of proper divisors): 163,009
Factor pairs (a × b = 998,081)
1 × 998081
7 × 142583
49 × 20369
First multiples
998,081 · 1,996,162 (double) · 2,994,243 · 3,992,324 · 4,990,405 · 5,988,486 · 6,986,567 · 7,984,648 · 8,982,729 · 9,980,810

Sums & aliquot sequence

As a sum of two squares: 280² + 959²
As consecutive integers: 499,040 + 499,041 142,580 + 142,581 + … + 142,586 71,285 + 71,286 + … + 71,298 20,345 + 20,346 + … + 20,393
Aliquot sequence: 998,081 163,009 50,111 1 0 — terminates at zero

Continued fraction of √n

√998,081 = [999; (24, 1, 39, 1, 4, 2, 7, 1, 1, 40, 4, 14, 2, 1, 40, 9, 1, 2, 1, 1, 2, 40, 2, 1, …)]

Period length 44 — the block in parentheses repeats forever.

Representations

In words
nine hundred ninety-eight thousand eighty-one
Ordinal
998081st
Binary
11110011101011000001
Octal
3635301
Hexadecimal
0xF3AC1
Base64
DzrB
One's complement
4,293,969,214 (32-bit)
Scientific notation
9.98081 × 10⁵
As a duration
998,081 s = 11 days, 13 hours, 14 minutes, 41 seconds
In other bases
ternary (3) 1212201002222
quaternary (4) 3303223001
quinary (5) 223414311
senary (6) 33220425
septenary (7) 11324600
nonary (9) 1781088
undecimal (11) 621967
duodecimal (12) 401715
tridecimal (13) 28c3a6
tetradecimal (14) 1bda37
pentadecimal (15) 14aadb

As an angle

998,081° = 2,772 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ϡϟηπαʹ
Chinese
九十九萬八千零八十一
Chinese (financial)
玖拾玖萬捌仟零捌拾壹
In other modern scripts
Eastern Arabic ٩٩٨٠٨١ Devanagari ९९८०८१ Bengali ৯৯৮০৮১ Tamil ௯௯௮௦௮௧ Thai ๙๙๘๐๘๑ Tibetan ༩༩༨༠༨༡ Khmer ៩៩៨០៨១ Lao ໙໙໘໐໘໑ Burmese ၉၉၈၀၈၁

Also seen as

Hex color
#0F3AC1
RGB(15, 58, 193)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.58.193.

Address
0.15.58.193
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.58.193

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 998,081 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 998081 first appears in π at position 673,831 of the decimal expansion (the 673,831ordinal-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