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1,040,813

1,040,813 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.).

1,040,813 (one million forty thousand eight hundred thirteen) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFE1AD.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious Number Prime Pythagorean Prime Sexy Prime Sophie Germain Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
3,180,401
Square (n²)
1,083,291,700,969
Cube (n³)
1,127,504,085,160,647,797
Divisor count
2
σ(n) — sum of divisors
1,040,814
φ(n) — Euler's totient
1,040,812

Primality

1,040,813 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1040813
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,040,813)
1 × 1040813
First multiples
1,040,813 · 2,081,626 (double) · 3,122,439 · 4,163,252 · 5,204,065 · 6,244,878 · 7,285,691 · 8,326,504 · 9,367,317 · 10,408,130

Sums & aliquot sequence

As a sum of two squares: 67² + 1,018²
As consecutive integers: 520,406 + 520,407

Continued fraction of √n

√1,040,813 = [1020; (4, 1, 15, 1, 1, 1, 8, 1, 2, 1, 8, 72, 1, 3, 8, 2, 1, 1, 7, 3, 1, 1, 6, 17, …)]

Representations

In words
one million forty thousand eight hundred thirteen
Ordinal
1040813th
Binary
11111110000110101101
Octal
3760655
Hexadecimal
0xFE1AD
Base64
D+Gt
One's complement
4,293,926,482 (32-bit)
Scientific notation
1.040813 × 10⁶
As a duration
1,040,813 s = 12 days, 1 hour, 6 minutes, 53 seconds
In other bases
ternary (3) 1221212201122
quaternary (4) 3332012231
quinary (5) 231301223
senary (6) 34150325
septenary (7) 11563304
nonary (9) 1855648
undecimal (11) 650a84
duodecimal (12) 4223a5
tridecimal (13) 2a5987
tetradecimal (14) 1d143b
pentadecimal (15) 1585c8

As an angle

1,040,813° = 2,891 × 360° + 53°
53° ≈ 0.925 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
Chinese
一百零四萬零八百一十三
Chinese (financial)
壹佰零肆萬零捌佰壹拾參
In other modern scripts
Eastern Arabic ١٠٤٠٨١٣ Devanagari १०४०८१३ Bengali ১০৪০৮১৩ Tamil ௧௦௪௦௮௧௩ Thai ๑๐๔๐๘๑๓ Tibetan ༡༠༤༠༨༡༣ Khmer ១០៤០៨១៣ Lao ໑໐໔໐໘໑໓ Burmese ၁၀၄၀၈၁၃

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: sexy with 1040807.

Hex color
#0FE1AD
RGB(15, 225, 173)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.225.173.

Address
0.15.225.173
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.225.173

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 4, 0813 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 0813-04-01 (DMMYYYY (Euro, single-digit day))
  • 0813-10-04 (MMDYYYY (US, single-digit day))
  • 0813-04-10 (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 1,040,813 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.