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990,106

990,106 is a composite number, even.

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.).

990,106 (nine hundred ninety thousand one hundred six) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 13 × 113 × 337. Written other ways, in hexadecimal, 0xF1B9A.

Cube-Free Deficient Number Evil Number Flippable Squarefree

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
25
Digit product
0
Digital root
7
Palindrome
No
Bit width
20 bits
Reversed
601,099
Flips to (rotate 180°)
901,066
Square (n²)
980,309,891,236
Cube (n³)
970,610,705,172,111,016
Divisor count
16
σ(n) — sum of divisors
1,618,344
φ(n) — Euler's totient
451,584
Sum of prime factors
465

Primality

Prime factorization: 2 × 13 × 113 × 337

Nearest primes: 990,053 (−53) · 990,137 (+31)

Divisors & multiples

All divisors (16)
1 · 2 · 13 · 26 · 113 · 226 · 337 · 674 · 1469 · 2938 · 4381 · 8762 · 38081 · 76162 · 495053 (half) · 990106
Aliquot sum (sum of proper divisors): 628,238
Factor pairs (a × b = 990,106)
1 × 990106
2 × 495053
13 × 76162
26 × 38081
113 × 8762
226 × 4381
337 × 2938
674 × 1469
First multiples
990,106 · 1,980,212 (double) · 2,970,318 · 3,960,424 · 4,950,530 · 5,940,636 · 6,930,742 · 7,920,848 · 8,910,954 · 9,901,060

Sums & aliquot sequence

As a sum of two squares: 9² + 995² = 141² + 985² = 391² + 915² = 509² + 855²
As consecutive integers: 247,525 + 247,526 + 247,527 + 247,528 76,156 + 76,157 + … + 76,168 19,015 + 19,016 + … + 19,066 8,706 + 8,707 + … + 8,818
Aliquot sequence: 990,106 628,238 403,618 201,812 178,624 175,960 232,280 290,440 380,240 658,756 682,682 747,334 533,834 435,574 287,594 143,800 191,000 — unresolved within range

Continued fraction of √n

√990,106 = [995; (24, 1, 1, 3, 6, 2, 5, 1, 14, 1, 1, 2, 1, 1, 3, 1, 2, 3, 2, 1, 7, 1, 4, 4, …)]

Period length 47 — the block in parentheses repeats forever.

Representations

In words
nine hundred ninety thousand one hundred six
Ordinal
990106th
Binary
11110001101110011010
Octal
3615632
Hexadecimal
0xF1B9A
Base64
Dxua
One's complement
4,293,977,189 (32-bit)
Scientific notation
9.90106 × 10⁵
As a duration
990,106 s = 11 days, 11 hours, 1 minute, 46 seconds
In other bases
ternary (3) 1212022011121
quaternary (4) 3301232122
quinary (5) 223140411
senary (6) 33115454
septenary (7) 11262415
nonary (9) 1768147
undecimal (11) 616977
duodecimal (12) 3b8b8a
tridecimal (13) 288880
tetradecimal (14) 1bab7c
pentadecimal (15) 148571

As an angle

990,106° = 2,750 × 360° + 106°
106° ≈ 1.85 rad
Compass bearing: ESE (east-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϡϟρϛʹ
Chinese
九十九萬零一百零六
Chinese (financial)
玖拾玖萬零壹佰零陸
In other modern scripts
Eastern Arabic ٩٩٠١٠٦ Devanagari ९९०१०६ Bengali ৯৯০১০৬ Tamil ௯௯௦௧௦௬ Thai ๙๙๐๑๐๖ Tibetan ༩༩༠༡༠༦ Khmer ៩៩០១០៦ Lao ໙໙໐໑໐໖ Burmese ၉၉၀၁၀၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990106, here are decompositions:

  • 53 + 990053 = 990106
  • 83 + 990023 = 990106
  • 107 + 989999 = 990106
  • 167 + 989939 = 990106
  • 197 + 989909 = 990106
  • 233 + 989873 = 990106
  • 269 + 989837 = 990106
  • 353 + 989753 = 990106

Showing the first eight; more decompositions exist.

Hex color
#0F1B9A
RGB(15, 27, 154)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.27.154.

Address
0.15.27.154
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.27.154

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 990,106 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 990106 first appears in π at position 535,864 of the decimal expansion (the 535,864ordinal-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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.