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1,019,142

1,019,142 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.).

1,019,142 (one million nineteen thousand one hundred forty-two) is an even 7-digit number. It is a composite number with 32 divisors, and factors as 2 × 3⁷ × 233. Its proper divisors sum to 1,283,418, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF8D06.

Abundant Number Arithmetic Number Evil Number Frugal Number Harshad / Niven Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
2,419,101
Square (n²)
1,038,650,416,164
Cube (n³)
1,058,532,262,430,211,288
Divisor count
32
σ(n) — sum of divisors
2,302,560
φ(n) — Euler's totient
338,256
Sum of prime factors
256

Primality

Prime factorization: 2 × 3 7 × 233

Nearest primes: 1,019,129 (−13) · 1,019,173 (+31)

Divisors & multiples

All divisors (32)
1 · 2 · 3 · 6 · 9 · 18 · 27 · 54 · 81 · 162 · 233 · 243 · 466 · 486 · 699 · 729 · 1398 · 1458 · 2097 · 2187 · 4194 · 4374 · 6291 · 12582 · 18873 · 37746 · 56619 · 113238 · 169857 · 339714 · 509571 (half) · 1019142
Aliquot sum (sum of proper divisors): 1,283,418
Factor pairs (a × b = 1,019,142)
1 × 1019142
2 × 509571
3 × 339714
6 × 169857
9 × 113238
18 × 56619
27 × 37746
54 × 18873
81 × 12582
162 × 6291
233 × 4374
243 × 4194
466 × 2187
486 × 2097
699 × 1458
729 × 1398
First multiples
1,019,142 · 2,038,284 (double) · 3,057,426 · 4,076,568 · 5,095,710 · 6,114,852 · 7,133,994 · 8,153,136 · 9,172,278 · 10,191,420

Sums & aliquot sequence

As consecutive integers: 339,713 + 339,714 + 339,715 254,784 + 254,785 + 254,786 + 254,787 113,234 + 113,235 + … + 113,242 84,923 + 84,924 + … + 84,934
Aliquot sequence: 1,019,142 1,283,418 1,568,742 2,108,442 2,996,070 5,975,706 7,162,566 7,162,578 8,356,380 15,041,652 20,055,564 33,998,436 58,365,108 89,928,492 123,865,284 171,876,316 130,483,364 — unresolved within range

Continued fraction of √n

√1,019,142 = [1009; (1, 1, 9, 3, 1, 15, 1, 13, 3, 1, 1, 2, 5, 106, 12, 2, 4, 1, 11, 3, 1, 2, 69, 3, …)]

Representations

In words
one million nineteen thousand one hundred forty-two
Ordinal
1019142nd
Binary
11111000110100000110
Octal
3706406
Hexadecimal
0xF8D06
Base64
D40G
One's complement
4,293,948,153 (32-bit)
Scientific notation
1.019142 × 10⁶
As a duration
1,019,142 s = 11 days, 19 hours, 5 minutes, 42 seconds
In other bases
ternary (3) 1220210000000
quaternary (4) 3320310012
quinary (5) 230103032
senary (6) 33502130
septenary (7) 11443155
nonary (9) 1823000
undecimal (11) 636773
duodecimal (12) 411946
tridecimal (13) 298b57
tetradecimal (14) 1c759c
pentadecimal (15) 151e7c

As an angle

1,019,142° = 2,830 × 360° + 342°
342° ≈ 5.969 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零一萬九千一百四十二
Chinese (financial)
壹佰零壹萬玖仟壹佰肆拾貳
In other modern scripts
Eastern Arabic ١٠١٩١٤٢ Devanagari १०१९१४२ Bengali ১০১৯১৪২ Tamil ௧௦௧௯௧௪௨ Thai ๑๐๑๙๑๔๒ Tibetan ༡༠༡༩༡༤༢ Khmer ១០១៩១៤២ Lao ໑໐໑໙໑໔໒ Burmese ၁၀၁၉၁၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1019142, here are decompositions:

  • 13 + 1019129 = 1019142
  • 23 + 1019119 = 1019142
  • 71 + 1019071 = 1019142
  • 73 + 1019069 = 1019142
  • 83 + 1019059 = 1019142
  • 109 + 1019033 = 1019142
  • 149 + 1018993 = 1019142
  • 193 + 1018949 = 1019142

Showing the first eight; more decompositions exist.

Hex color
#0F8D06
RGB(15, 141, 6)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.141.6.

Address
0.15.141.6
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.141.6

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 1, 9142 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 9142-10-01 (MMDYYYY (US, single-digit day))
  • 9142-01-10 (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 1,019,142 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°.