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1,028,471

1,028,471 is a prime, odd.

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.).

1,028,471 (one million twenty-eight thousand four hundred seventy-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFB177.

Arithmetic Number Chen Prime Cube-Free Deficient Number Evil Number Prime Squarefree Twin Prime

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
23
Digit product
0
Digital root
5
Palindrome
No
Bit width
20 bits
Reversed
1,748,201
Square (n²)
1,057,752,597,841
Cube (n³)
1,087,867,872,054,131,111
Divisor count
2
σ(n) — sum of divisors
1,028,472
φ(n) — Euler's totient
1,028,470

Primality

1,028,471 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1028471
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,028,471)
1 × 1028471
First multiples
1,028,471 · 2,056,942 (double) · 3,085,413 · 4,113,884 · 5,142,355 · 6,170,826 · 7,199,297 · 8,227,768 · 9,256,239 · 10,284,710

Sums & aliquot sequence

As consecutive integers: 514,235 + 514,236

Continued fraction of √n

√1,028,471 = [1014; (7, 2, 1, 1, 1, 405, 36, 1, 7, 81, 184, 2, 1, 1, 1, 15, 1, 1, 1, 1, 36, 3, 1, 1, …)]

Representations

In words
one million twenty-eight thousand four hundred seventy-one
Ordinal
1028471st
Binary
11111011000101110111
Octal
3730567
Hexadecimal
0xFB177
Base64
D7F3
One's complement
4,293,938,824 (32-bit)
Scientific notation
1.028471 × 10⁶
As a duration
1,028,471 s = 11 days, 21 hours, 41 minutes, 11 seconds
In other bases
ternary (3) 1221020210112
quaternary (4) 3323011313
quinary (5) 230402341
senary (6) 34013235
septenary (7) 11512313
nonary (9) 1836715
undecimal (11) 642784
duodecimal (12) 41721b
tridecimal (13) 2a0182
tetradecimal (14) 1cab43
pentadecimal (15) 154aeb

As an angle

1,028,471° = 2,856 × 360° + 311°
311° ≈ 5.428 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零二萬八千四百七十一
Chinese (financial)
壹佰零貳萬捌仟肆佰柒拾壹
In other modern scripts
Eastern Arabic ١٠٢٨٤٧١ Devanagari १०२८४७१ Bengali ১০২৮৪৭১ Tamil ௧௦௨௮௪௭௧ Thai ๑๐๒๘๔๗๑ Tibetan ༡༠༢༨༤༧༡ Khmer ១០២៨៤៧១ Lao ໑໐໒໘໔໗໑ Burmese ၁၀၂၈၄၇၁

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: twin with 1028473.

Hex color
#0FB177
RGB(15, 177, 119)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.177.119.

Address
0.15.177.119
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.177.119

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 2, 8471 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 8471-02-01 (DMMYYYY (Euro, single-digit day))
  • 8471-10-02 (MMDYYYY (US, single-digit day))
  • 8471-02-10 (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 1,028,471 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

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.