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1,051,842

1,051,842 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.).

1,051,842 (one million fifty-one thousand eight hundred forty-two) is an even 7-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 11 × 15,937. Its proper divisors sum to 1,243,230, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x100CC2.

Abundant Number Arithmetic Number Cube-Free Evil Number Semiperfect Number Squarefree

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
21
Digit product
0
Digital root
3
Palindrome
No
Bit width
21 bits
Reversed
2,481,501
Square (n²)
1,106,371,592,964
Cube (n³)
1,163,728,109,086,439,688
Divisor count
16
σ(n) — sum of divisors
2,295,072
φ(n) — Euler's totient
318,720
Sum of prime factors
15,953

Primality

Prime factorization: 2 × 3 × 11 × 15937

Nearest primes: 1,051,829 (−13) · 1,051,847 (+5)

Divisors & multiples

All divisors (16)
1 · 2 · 3 · 6 · 11 · 22 · 33 · 66 · 15937 · 31874 · 47811 · 95622 · 175307 · 350614 · 525921 (half) · 1051842
Aliquot sum (sum of proper divisors): 1,243,230
Factor pairs (a × b = 1,051,842)
1 × 1051842
2 × 525921
3 × 350614
6 × 175307
11 × 95622
22 × 47811
33 × 31874
66 × 15937
First multiples
1,051,842 · 2,103,684 (double) · 3,155,526 · 4,207,368 · 5,259,210 · 6,311,052 · 7,362,894 · 8,414,736 · 9,466,578 · 10,518,420

Sums & aliquot sequence

As consecutive integers: 350,613 + 350,614 + 350,615 262,959 + 262,960 + 262,961 + 262,962 95,617 + 95,618 + … + 95,627 87,648 + 87,649 + … + 87,659
Aliquot sequence: 1,051,842 1,243,230 1,845,570 2,583,870 3,764,802 3,907,518 4,659,042 4,659,054 5,207,394 5,271,774 5,271,786 7,103,772 12,740,052 19,273,804 19,223,732 17,608,588 13,379,852 — unresolved within range

Continued fraction of √n

√1,051,842 = [1025; (1, 1, 2, 5, 1, 2, 1, 6, 2, 3, 5, 2, 2, 1, 5, 11, 1, 25, 2, 1, 1, 1, 2, 1, …)]

Period length 52 — the block in parentheses repeats forever.

Representations

In words
one million fifty-one thousand eight hundred forty-two
Ordinal
1051842nd
Binary
100000000110011000010
Octal
4006302
Hexadecimal
0x100CC2
Base64
EAzC
One's complement
4,293,915,453 (32-bit)
Scientific notation
1.051842 × 10⁶
As a duration
1,051,842 s = 12 days, 4 hours, 10 minutes, 42 seconds
In other bases
ternary (3) 1222102212010
quaternary (4) 10000303002
quinary (5) 232124332
senary (6) 34313350
septenary (7) 11640411
nonary (9) 1872763
undecimal (11) 6592a0
duodecimal (12) 428856
tridecimal (13) 2aa9bc
tetradecimal (14) 1d5478
pentadecimal (15) 15b9cc

As an angle

1,051,842° = 2,921 × 360° + 282°
282° ≈ 4.922 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零五萬一千八百四十二
Chinese (financial)
壹佰零伍萬壹仟捌佰肆拾貳
In other modern scripts
Eastern Arabic ١٠٥١٨٤٢ Devanagari १०५१८४२ Bengali ১০৫১৮৪২ Tamil ௧௦௫௧௮௪௨ Thai ๑๐๕๑๘๔๒ Tibetan ༡༠༥༡༨༤༢ Khmer ១០៥១៨៤២ Lao ໑໐໕໑໘໔໒ Burmese ၁၀၅၁၈၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1051842, here are decompositions:

  • 13 + 1051829 = 1051842
  • 23 + 1051819 = 1051842
  • 31 + 1051811 = 1051842
  • 53 + 1051789 = 1051842
  • 61 + 1051781 = 1051842
  • 79 + 1051763 = 1051842
  • 83 + 1051759 = 1051842
  • 179 + 1051663 = 1051842

Showing the first eight; more decompositions exist.

Hex color
#100CC2
RGB(16, 12, 194)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.12.194.

Address
0.16.12.194
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.12.194

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 5, 1842 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 1842-05-01 (DMMYYYY (Euro, single-digit day))
  • 1842-10-05 (MMDYYYY (US, single-digit day))
  • 1842-05-10 (DDMYYYY (Euro, single-digit month))
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 1,051,842 and was likely granted around 1912.

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°.