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1,042,087

1,042,087 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.).

1,042,087 (one million forty-two thousand eighty-seven) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFE6A7.

Arithmetic Number Cousin Prime Cube-Free Deficient Number Emirp Evil Number Prime Sexy Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
22
Digit product
0
Digital root
4
Palindrome
No
Bit width
20 bits
Reversed
7,802,401
Square (n²)
1,085,945,315,569
Cube (n³)
1,131,649,496,065,352,503
Divisor count
2
σ(n) — sum of divisors
1,042,088
φ(n) — Euler's totient
1,042,086

Primality

1,042,087 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1042087
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,042,087)
1 × 1042087
First multiples
1,042,087 · 2,084,174 (double) · 3,126,261 · 4,168,348 · 5,210,435 · 6,252,522 · 7,294,609 · 8,336,696 · 9,378,783 · 10,420,870

Sums & aliquot sequence

As consecutive integers: 521,043 + 521,044

Continued fraction of √n

√1,042,087 = [1020; (1, 4, 1, 3, 3, 4, 21, 2, 19, 1, 1, 8, 1, 1, 11, 4, 1, 5, 1, 47, 1, 3, 7, 1, …)]

Representations

In words
one million forty-two thousand eighty-seven
Ordinal
1042087th
Binary
11111110011010100111
Octal
3763247
Hexadecimal
0xFE6A7
Base64
D+an
One's complement
4,293,925,208 (32-bit)
Scientific notation
1.042087 × 10⁶
As a duration
1,042,087 s = 12 days, 1 hour, 28 minutes, 7 seconds
In other bases
ternary (3) 1221221110211
quaternary (4) 3332122213
quinary (5) 231321322
senary (6) 34200251
septenary (7) 11600104
nonary (9) 1857424
undecimal (11) 651a32
duodecimal (12) 423087
tridecimal (13) 2a6427
tetradecimal (14) 1d1aab
pentadecimal (15) 158b77

As an angle

1,042,087° = 2,894 × 360° + 247°
247° ≈ 4.311 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百零四萬二千零八十七
Chinese (financial)
壹佰零肆萬貳仟零捌拾柒
In other modern scripts
Eastern Arabic ١٠٤٢٠٨٧ Devanagari १०४२०८७ Bengali ১০৪২০৮৭ Tamil ௧௦௪௨௦௮௭ Thai ๑๐๔๒๐๘๗ Tibetan ༡༠༤༢༠༨༧ Khmer ១០៤២០៨៧ Lao ໑໐໔໒໐໘໗ Burmese ၁၀၄၂၀၈၇

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: cousin with 1042091, sexy with 1042081.

Hex color
#0FE6A7
RGB(15, 230, 167)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.230.167.

Address
0.15.230.167
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.230.167

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 4, 2087 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2087-04-01 (DMMYYYY (Euro, single-digit day))
  • 2087-10-04 (MMDYYYY (US, single-digit day))
  • 2087-04-10 (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 1,042,087 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.