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998,121

998,121 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.).

998,121 (nine hundred ninety-eight thousand one hundred twenty-one) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 17 × 19,571. Written other ways, in hexadecimal, 0xF3AE9.

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

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
30
Digit product
1,296
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
121,899
Square (n²)
996,245,530,641
Cube (n³)
994,373,585,288,925,561
Divisor count
8
σ(n) — sum of divisors
1,409,184
φ(n) — Euler's totient
626,240
Sum of prime factors
19,591

Primality

Prime factorization: 3 × 17 × 19571

Nearest primes: 998,117 (−4) · 998,147 (+26)

Divisors & multiples

All divisors (8)
1 · 3 · 17 · 51 · 19571 · 58713 · 332707 · 998121
Aliquot sum (sum of proper divisors): 411,063
Factor pairs (a × b = 998,121)
1 × 998121
3 × 332707
17 × 58713
51 × 19571
First multiples
998,121 · 1,996,242 (double) · 2,994,363 · 3,992,484 · 4,990,605 · 5,988,726 · 6,986,847 · 7,984,968 · 8,983,089 · 9,981,210

Sums & aliquot sequence

As consecutive integers: 499,060 + 499,061 332,706 + 332,707 + 332,708 166,351 + 166,352 + 166,353 + 166,354 + 166,355 + 166,356 58,705 + 58,706 + … + 58,721
Aliquot sequence: 998,121 411,063 144,825 94,743 64,857 28,327 2,193 975 761 1 0 — terminates at zero

Continued fraction of √n

√998,121 = [999; (16, 1, 1, 1, 6, 4, 1, 5, 2, 5, 2, 3, 3, 1, 1, 1, 1, 2, 2, 1, 1, 2, 7, 5, …)]

Representations

In words
nine hundred ninety-eight thousand one hundred twenty-one
Ordinal
998121st
Binary
11110011101011101001
Octal
3635351
Hexadecimal
0xF3AE9
Base64
Dzrp
One's complement
4,293,969,174 (32-bit)
Scientific notation
9.98121 × 10⁵
As a duration
998,121 s = 11 days, 13 hours, 15 minutes, 21 seconds
In other bases
ternary (3) 1212201011110
quaternary (4) 3303223221
quinary (5) 223414441
senary (6) 33220533
septenary (7) 11324655
nonary (9) 1781143
undecimal (11) 6219a3
duodecimal (12) 401749
tridecimal (13) 28c407
tetradecimal (14) 1bda65
pentadecimal (15) 14ab16

As an angle

998,121° = 2,772 × 360° + 201°
201° ≈ 3.508 rad
Compass bearing: SSW (south-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ϡϟηρκαʹ
Chinese
九十九萬八千一百二十一
Chinese (financial)
玖拾玖萬捌仟壹佰貳拾壹
In other modern scripts
Eastern Arabic ٩٩٨١٢١ Devanagari ९९८१२१ Bengali ৯৯৮১২১ Tamil ௯௯௮௧௨௧ Thai ๙๙๘๑๒๑ Tibetan ༩༩༨༡༢༡ Khmer ៩៩៨១២១ Lao ໙໙໘໑໒໑ Burmese ၉၉၈၁၂၁

Also seen as

Hex color
#0F3AE9
RGB(15, 58, 233)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.58.233.

Address
0.15.58.233
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.58.233

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 998,121 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 998121 first appears in π at position 505,556 of the decimal expansion (the 505,556ordinal-suffix:th 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