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1,018,313

1,018,313 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.).

1,018,313 (one million eighteen thousand three hundred thirteen) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF89C9.

Arithmetic Number Chen Prime Cousin Prime Cube-Free Deficient Number Odious Number Pernicious Number Prime Pythagorean 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
3,138,101
Square (n²)
1,036,961,365,969
Cube (n³)
1,055,951,239,463,990,297
Divisor count
2
σ(n) — sum of divisors
1,018,314
φ(n) — Euler's totient
1,018,312

Primality

1,018,313 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1018313
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,018,313)
1 × 1018313
First multiples
1,018,313 · 2,036,626 (double) · 3,054,939 · 4,073,252 · 5,091,565 · 6,109,878 · 7,128,191 · 8,146,504 · 9,164,817 · 10,183,130

Sums & aliquot sequence

As a sum of two squares: 547² + 848²
As consecutive integers: 509,156 + 509,157

Continued fraction of √n

√1,018,313 = [1009; (8, 1, 2, 3, 7, 1, 5, 4, 1, 1, 2, 3, 1, 1, 3, 1, 4, 2, 1, 2, 1, 1, 2, 1, …)]

Representations

In words
one million eighteen thousand three hundred thirteen
Ordinal
1018313th
Binary
11111000100111001001
Octal
3704711
Hexadecimal
0xF89C9
Base64
D4nJ
One's complement
4,293,948,982 (32-bit)
Scientific notation
1.018313 × 10⁶
As a duration
1,018,313 s = 11 days, 18 hours, 51 minutes, 53 seconds
In other bases
ternary (3) 1220201212022
quaternary (4) 3320213021
quinary (5) 230041223
senary (6) 33454225
septenary (7) 11440562
nonary (9) 1821768
undecimal (11) 63608a
duodecimal (12) 411375
tridecimal (13) 29866a
tetradecimal (14) 1c7169
pentadecimal (15) 151ac8

As an angle

1,018,313° = 2,828 × 360° + 233°
233° ≈ 4.067 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓏺𓏺𓏺
Chinese
一百零一萬八千三百一十三
Chinese (financial)
壹佰零壹萬捌仟參佰壹拾參
In other modern scripts
Eastern Arabic ١٠١٨٣١٣ Devanagari १०१८३१३ Bengali ১০১৮৩১৩ Tamil ௧௦௧௮௩௧௩ Thai ๑๐๑๘๓๑๓ Tibetan ༡༠༡༨༣༡༣ Khmer ១០១៨៣១៣ Lao ໑໐໑໘໓໑໓ Burmese ၁၀၁၈၃၁၃

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: cousin with 1018309.

Hex color
#0F89C9
RGB(15, 137, 201)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.137.201.

Address
0.15.137.201
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.137.201

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 8313 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 8313-10-01 (MMDYYYY (US, single-digit day))
  • 8313-01-10 (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 1,018,313 and was likely granted around 1911.

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.