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1,005,042

1,005,042 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.).

1,005,042 (one million five thousand forty-two) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 191 × 877. Its proper divisors sum to 1,017,870, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF55F2.

Abundant Number Arithmetic Number Cube-Free Odious Number Pernicious Number Semiperfect Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
2,405,001
Square (n²)
1,010,109,421,764
Cube (n³)
1,015,202,393,468,534,088
Divisor count
16
σ(n) — sum of divisors
2,022,912
φ(n) — Euler's totient
332,880
Sum of prime factors
1,073

Primality

Prime factorization: 2 × 3 × 191 × 877

Nearest primes: 1,005,041 (−1) · 1,005,049 (+7)

Divisors & multiples

All divisors (16)
1 · 2 · 3 · 6 · 191 · 382 · 573 · 877 · 1146 · 1754 · 2631 · 5262 · 167507 · 335014 · 502521 (half) · 1005042
Aliquot sum (sum of proper divisors): 1,017,870
Factor pairs (a × b = 1,005,042)
1 × 1005042
2 × 502521
3 × 335014
6 × 167507
191 × 5262
382 × 2631
573 × 1754
877 × 1146
First multiples
1,005,042 · 2,010,084 (double) · 3,015,126 · 4,020,168 · 5,025,210 · 6,030,252 · 7,035,294 · 8,040,336 · 9,045,378 · 10,050,420

Sums & aliquot sequence

As consecutive integers: 335,013 + 335,014 + 335,015 251,259 + 251,260 + 251,261 + 251,262 83,748 + 83,749 + … + 83,759 5,167 + 5,168 + … + 5,357
Aliquot sequence: 1,005,042 1,017,870 1,871,346 1,992,462 2,047,938 2,047,950 3,889,170 6,369,390 12,028,626 14,739,258 14,776,998 15,065,178 15,576,582 20,027,130 28,367,238 28,514,922 28,663,350 — unresolved within range

Continued fraction of √n

√1,005,042 = [1002; (1, 1, 13, 1, 1, 11, 2, 1, 7, 1, 13, 7, 3, 16, 3, 1, 27, 2, 17, 1, 1, 2, 1, 24, …)]

Representations

In words
one million five thousand forty-two
Ordinal
1005042nd
Binary
11110101010111110010
Octal
3652762
Hexadecimal
0xF55F2
Base64
D1Xy
One's complement
4,293,962,253 (32-bit)
Scientific notation
1.005042 × 10⁶
As a duration
1,005,042 s = 11 days, 15 hours, 10 minutes, 42 seconds
In other bases
ternary (3) 1220001122210
quaternary (4) 3311113302
quinary (5) 224130132
senary (6) 33312550
septenary (7) 11354103
nonary (9) 1801583
undecimal (11) 627115
duodecimal (12) 405756
tridecimal (13) 2925cc
tetradecimal (14) 1c23aa
pentadecimal (15) 14cbcc

As an angle

1,005,042° = 2,791 × 360° + 282°
282° ≈ 4.922 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百萬五千零四十二
Chinese (financial)
壹佰萬伍仟零肆拾貳
In other modern scripts
Eastern Arabic ١٠٠٥٠٤٢ Devanagari १००५०४२ Bengali ১০০৫০৪২ Tamil ௧௦௦௫௦௪௨ Thai ๑๐๐๕๐๔๒ Tibetan ༡༠༠༥༠༤༢ Khmer ១០០៥០៤២ Lao ໑໐໐໕໐໔໒ Burmese ၁၀၀၅၀၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1005042, here are decompositions:

  • 13 + 1005029 = 1005042
  • 23 + 1005019 = 1005042
  • 29 + 1005013 = 1005042
  • 61 + 1004981 = 1005042
  • 79 + 1004963 = 1005042
  • 131 + 1004911 = 1005042
  • 139 + 1004903 = 1005042
  • 263 + 1004779 = 1005042

Showing the first eight; more decompositions exist.

Hex color
#0F55F2
RGB(15, 85, 242)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.85.242.

Address
0.15.85.242
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.85.242

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 1,005,042 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

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