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1,031,172

1,031,172 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.).

1,031,172 (one million thirty-one thousand one hundred seventy-two) is an even 7-digit number. It is a composite number with 12 divisors, and factors as 2² × 3 × 85,931. Its proper divisors sum to 1,374,924, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFBC04.

Abundant Number Arithmetic Number Cube-Free Evil Number Gapful Number Refactorable Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
2,711,301
Square (n²)
1,063,315,693,584
Cube (n³)
1,096,461,370,384,400,448
Divisor count
12
σ(n) — sum of divisors
2,406,096
φ(n) — Euler's totient
343,720
Sum of prime factors
85,938

Primality

Prime factorization: 2 2 × 3 × 85931

Nearest primes: 1,031,161 (−11) · 1,031,189 (+17)

Divisors & multiples

All divisors (12)
1 · 2 · 3 · 4 · 6 · 12 · 85931 · 171862 · 257793 · 343724 · 515586 (half) · 1031172
Aliquot sum (sum of proper divisors): 1,374,924
Factor pairs (a × b = 1,031,172)
1 × 1031172
2 × 515586
3 × 343724
4 × 257793
6 × 171862
12 × 85931
First multiples
1,031,172 · 2,062,344 (double) · 3,093,516 · 4,124,688 · 5,155,860 · 6,187,032 · 7,218,204 · 8,249,376 · 9,280,548 · 10,311,720

Sums & aliquot sequence

As consecutive integers: 343,723 + 343,724 + 343,725 128,893 + 128,894 + … + 128,900 42,954 + 42,955 + … + 42,977
Aliquot sequence: 1,031,172 1,374,924 1,833,260 2,696,692 2,022,526 1,314,674 686,974 347,306 176,758 88,382 67,138 33,572 40,348 48,356 57,820 85,820 120,484 — unresolved within range

Continued fraction of √n

√1,031,172 = [1015; (2, 6, 1, 15, 1, 1, 20, 1, 1, 1, 3, 1, 1, 5, 3, 1, 6, 31, 1, 1, 2, 2, 2, 1, …)]

Representations

In words
one million thirty-one thousand one hundred seventy-two
Ordinal
1031172nd
Binary
11111011110000000100
Octal
3736004
Hexadecimal
0xFBC04
Base64
D7wE
One's complement
4,293,936,123 (32-bit)
Scientific notation
1.031172 × 10⁶
As a duration
1,031,172 s = 11 days, 22 hours, 26 minutes, 12 seconds
In other bases
ternary (3) 1221101111120
quaternary (4) 3323300010
quinary (5) 230444142
senary (6) 34033540
septenary (7) 11523222
nonary (9) 1841446
undecimal (11) 64480a
duodecimal (12) 4188b0
tridecimal (13) 2a147c
tetradecimal (14) 1cbb12
pentadecimal (15) 1557ec

As an angle

1,031,172° = 2,864 × 360° + 132°
132° ≈ 2.304 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
Chinese
一百零三萬一千一百七十二
Chinese (financial)
壹佰零參萬壹仟壹佰柒拾貳
In other modern scripts
Eastern Arabic ١٠٣١١٧٢ Devanagari १०३११७२ Bengali ১০৩১১৭২ Tamil ௧௦௩௧௧௭௨ Thai ๑๐๓๑๑๗๒ Tibetan ༡༠༣༡༡༧༢ Khmer ១០៣១១៧២ Lao ໑໐໓໑໑໗໒ Burmese ၁၀၃၁၁၇၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1031172, here are decompositions:

  • 11 + 1031161 = 1031172
  • 31 + 1031141 = 1031172
  • 53 + 1031119 = 1031172
  • 179 + 1030993 = 1031172
  • 223 + 1030949 = 1031172
  • 239 + 1030933 = 1031172
  • 283 + 1030889 = 1031172
  • 349 + 1030823 = 1031172

Showing the first eight; more decompositions exist.

Hex color
#0FBC04
RGB(15, 188, 4)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.188.4.

Address
0.15.188.4
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.188.4

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

Possible date

Could be parsed as a date. Most likely interpretation: Monday, January 3, 1172 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 1172-03-01 (DMMYYYY (Euro, single-digit day))
  • 1172-10-03 (MMDYYYY (US, single-digit day))
  • 1172-03-10 (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 1,031,172 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°.