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1,042,849

1,042,849 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.).

1,042,849 (one million forty-two thousand eight hundred forty-nine) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFE9A1.

Arithmetic Number Balanced Prime Cube-Free Deficient Number Evil Number Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
28
Digit product
0
Digital root
1
Palindrome
No
Bit width
20 bits
Reversed
9,482,401
Square (n²)
1,087,534,036,801
Cube (n³)
1,134,133,782,743,886,049
Divisor count
2
σ(n) — sum of divisors
1,042,850
φ(n) — Euler's totient
1,042,848

Primality

1,042,849 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1042849
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,042,849)
1 × 1042849
First multiples
1,042,849 · 2,085,698 (double) · 3,128,547 · 4,171,396 · 5,214,245 · 6,257,094 · 7,299,943 · 8,342,792 · 9,385,641 · 10,428,490

Sums & aliquot sequence

As a sum of two squares: 207² + 1,000²
As consecutive integers: 521,424 + 521,425

Continued fraction of √n

√1,042,849 = [1021; (5, 185, 2, 8, 1, 1, 1, 16, 4, 2, 4, 2, 1, 3, 2, 2, 1, 26, 1, 1, 10, 1, 1, 7, …)]

Representations

In words
one million forty-two thousand eight hundred forty-nine
Ordinal
1042849th
Binary
11111110100110100001
Octal
3764641
Hexadecimal
0xFE9A1
Base64
D+mh
One's complement
4,293,924,446 (32-bit)
Scientific notation
1.042849 × 10⁶
As a duration
1,042,849 s = 12 days, 1 hour, 40 minutes, 49 seconds
In other bases
ternary (3) 1221222112001
quaternary (4) 3332212201
quinary (5) 231332344
senary (6) 34204001
septenary (7) 11602243
nonary (9) 1858461
undecimal (11) 652565
duodecimal (12) 423601
tridecimal (13) 2a6892
tetradecimal (14) 1d2093
pentadecimal (15) 158ed4

As an angle

1,042,849° = 2,896 × 360° + 289°
289° ≈ 5.044 rad
Compass bearing: WNW (west-northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百零四萬二千八百四十九
Chinese (financial)
壹佰零肆萬貳仟捌佰肆拾玖
In other modern scripts
Eastern Arabic ١٠٤٢٨٤٩ Devanagari १०४२८४९ Bengali ১০৪২৮৪৯ Tamil ௧௦௪௨௮௪௯ Thai ๑๐๔๒๘๔๙ Tibetan ༡༠༤༢༨༤༩ Khmer ១០៤២៨៤៩ Lao ໑໐໔໒໘໔໙ Burmese ၁၀၄၂၈၄၉

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0FE9A1
RGB(15, 233, 161)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.233.161.

Address
0.15.233.161
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.233.161

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

Possible date

Could be parsed as a date. Most likely interpretation: Monday, January 4, 2849 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2849-04-01 (DMMYYYY (Euro, single-digit day))
  • 2849-10-04 (MMDYYYY (US, single-digit day))
  • 2849-04-10 (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 1,042,849 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.