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998,445

998,445 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.).

998,445 (nine hundred ninety-eight thousand four hundred forty-five) is an odd 6-digit number. It is a composite number with 32 divisors, and factors as 3 × 5 × 7 × 37 × 257. Written other ways, in hexadecimal, 0xF3C2D.

Arithmetic Number Cube-Free Deficient Number Evil Number Smith Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
39
Digit product
51,840
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
544,899
Square (n²)
996,892,418,025
Cube (n³)
995,342,250,314,971,125
Divisor count
32
σ(n) — sum of divisors
1,882,368
φ(n) — Euler's totient
442,368
Sum of prime factors
309

Primality

Prime factorization: 3 × 5 × 7 × 37 × 257

Nearest primes: 998,443 (−2) · 998,471 (+26)

Divisors & multiples

All divisors (32)
1 · 3 · 5 · 7 · 15 · 21 · 35 · 37 · 105 · 111 · 185 · 257 · 259 · 555 · 771 · 777 · 1285 · 1295 · 1799 · 3855 · 3885 · 5397 · 8995 · 9509 · 26985 · 28527 · 47545 · 66563 · 142635 · 199689 · 332815 · 998445
Aliquot sum (sum of proper divisors): 883,923
Factor pairs (a × b = 998,445)
1 × 998445
3 × 332815
5 × 199689
7 × 142635
15 × 66563
21 × 47545
35 × 28527
37 × 26985
105 × 9509
111 × 8995
185 × 5397
257 × 3885
259 × 3855
555 × 1799
771 × 1295
777 × 1285
First multiples
998,445 · 1,996,890 (double) · 2,995,335 · 3,993,780 · 4,992,225 · 5,990,670 · 6,989,115 · 7,987,560 · 8,986,005 · 9,984,450

Sums & aliquot sequence

As consecutive integers: 499,222 + 499,223 332,814 + 332,815 + 332,816 199,687 + 199,688 + 199,689 + 199,690 + 199,691 166,405 + 166,406 + 166,407 + 166,408 + 166,409 + 166,410
Aliquot sequence: 998,445 883,923 294,645 213,387 71,133 24,963 9,165 6,963 3,213 2,547 1,145 235 53 1 0 — terminates at zero

Continued fraction of √n

√998,445 = [999; (4, 1, 1, 499, 18, 499, 1, 1, 4, 1998)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
nine hundred ninety-eight thousand four hundred forty-five
Ordinal
998445th
Binary
11110011110000101101
Octal
3636055
Hexadecimal
0xF3C2D
Base64
Dzwt
One's complement
4,293,968,850 (32-bit)
Scientific notation
9.98445 × 10⁵
As a duration
998,445 s = 11 days, 13 hours, 20 minutes, 45 seconds
In other bases
ternary (3) 1212201121110
quaternary (4) 3303300231
quinary (5) 223422240
senary (6) 33222233
septenary (7) 11325630
nonary (9) 1781543
undecimal (11) 622168
duodecimal (12) 401979
tridecimal (13) 28c5c6
tetradecimal (14) 1bdc17
pentadecimal (15) 14ac80
Palindromic in base 6

As an angle

998,445° = 2,773 × 360° + 165°
165° ≈ 2.88 rad

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟηυμεʹ
Chinese
九十九萬八千四百四十五
Chinese (financial)
玖拾玖萬捌仟肆佰肆拾伍
In other modern scripts
Eastern Arabic ٩٩٨٤٤٥ Devanagari ९९८४४५ Bengali ৯৯৮৪৪৫ Tamil ௯௯௮௪௪௫ Thai ๙๙๘๔๔๕ Tibetan ༩༩༨༤༤༥ Khmer ៩៩៨៤៤៥ Lao ໙໙໘໔໔໕ Burmese ၉၉၈၄၄၅

Also seen as

Hex color
#0F3C2D
RGB(15, 60, 45)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.60.45.

Address
0.15.60.45
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.60.45

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 998,445 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