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999,072

999,072 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.).

999,072 (nine hundred ninety-nine thousand seventy-two) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2⁵ × 3² × 3,469. Its proper divisors sum to 1,842,858, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3EA0.

Abundant Number Harshad / Niven Odious Number Pernicious Number Refactorable Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
36
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
270,999
Square (n²)
998,144,861,184
Cube (n³)
997,218,582,752,821,248
Divisor count
36
σ(n) — sum of divisors
2,841,930
φ(n) — Euler's totient
332,928
Sum of prime factors
3,485

Primality

Prime factorization: 2 5 × 3 2 × 3469

Nearest primes: 999,067 (−5) · 999,083 (+11)

Divisors & multiples

All divisors (36)
1 · 2 · 3 · 4 · 6 · 8 · 9 · 12 · 16 · 18 · 24 · 32 · 36 · 48 · 72 · 96 · 144 · 288 · 3469 · 6938 · 10407 · 13876 · 20814 · 27752 · 31221 · 41628 · 55504 · 62442 · 83256 · 111008 · 124884 · 166512 · 249768 · 333024 · 499536 (half) · 999072
Aliquot sum (sum of proper divisors): 1,842,858
Factor pairs (a × b = 999,072)
1 × 999072
2 × 499536
3 × 333024
4 × 249768
6 × 166512
8 × 124884
9 × 111008
12 × 83256
16 × 62442
18 × 55504
24 × 41628
32 × 31221
36 × 27752
48 × 20814
72 × 13876
96 × 10407
144 × 6938
288 × 3469
First multiples
999,072 · 1,998,144 (double) · 2,997,216 · 3,996,288 · 4,995,360 · 5,994,432 · 6,993,504 · 7,992,576 · 8,991,648 · 9,990,720

Sums & aliquot sequence

As a sum of two squares: 84² + 996²
As consecutive integers: 333,023 + 333,024 + 333,025 111,004 + 111,005 + … + 111,012 15,579 + 15,580 + … + 15,642 5,108 + 5,109 + … + 5,299
Aliquot sequence: 999,072 1,842,858 2,252,502 3,622,698 4,546,902 4,569,450 7,054,806 8,468,394 10,608,726 11,725,674 11,725,686 18,319,914 28,180,566 37,054,890 59,288,058 78,398,982 95,821,098 — unresolved within range

Continued fraction of √n

√999,072 = [999; (1, 1, 6, 2, 6, 1, 2, 2, 1, 11, 7, 1, 5, 1, 1, 4, 2, 1, 6, 1, 1, 1, 16, 6, …)]

Representations

In words
nine hundred ninety-nine thousand seventy-two
Ordinal
999072nd
Binary
11110011111010100000
Octal
3637240
Hexadecimal
0xF3EA0
Base64
Dz6g
One's complement
4,293,968,223 (32-bit)
Scientific notation
9.99072 × 10⁵
As a duration
999,072 s = 11 days, 13 hours, 31 minutes, 12 seconds
In other bases
ternary (3) 1212202110200
quaternary (4) 3303322200
quinary (5) 223432242
senary (6) 33225200
septenary (7) 11330514
nonary (9) 1782420
undecimal (11) 622688
duodecimal (12) 402200
tridecimal (13) 28c989
tetradecimal (14) 1c0144
pentadecimal (15) 14b04c

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒁹𒁹
Egyptian hieroglyphic
𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵ϡϟθοβʹ
Chinese
九十九萬九千零七十二
Chinese (financial)
玖拾玖萬玖仟零柒拾貳
In other modern scripts
Eastern Arabic ٩٩٩٠٧٢ Devanagari ९९९०७२ Bengali ৯৯৯০৭২ Tamil ௯௯௯௦௭௨ Thai ๙๙๙๐๗๒ Tibetan ༩༩༩༠༧༢ Khmer ៩៩៩០៧២ Lao ໙໙໙໐໗໒ Burmese ၉၉၉၀၇၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 999072, here are decompositions:

  • 5 + 999067 = 999072
  • 23 + 999049 = 999072
  • 29 + 999043 = 999072
  • 43 + 999029 = 999072
  • 83 + 998989 = 999072
  • 89 + 998983 = 999072
  • 103 + 998969 = 999072
  • 131 + 998941 = 999072

Showing the first eight; more decompositions exist.

Hex color
#0F3EA0
RGB(15, 62, 160)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.62.160.

Address
0.15.62.160
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.62.160

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 999,072 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 999072 first appears in π at position 266,371 of the decimal expansion (the 266,371ordinal-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

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