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1,016,231

1,016,231 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.).

1,016,231 (one million sixteen thousand two hundred thirty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF81A7.

Arithmetic Number Chen Prime Cousin Prime Cube-Free Deficient Number Odious Number Pernicious Number Prime Sexy Prime Sophie Germain Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
20 bits
Reversed
1,326,101
Square (n²)
1,032,725,445,361
Cube (n³)
1,049,487,612,064,654,391
Divisor count
2
σ(n) — sum of divisors
1,016,232
φ(n) — Euler's totient
1,016,230

Primality

1,016,231 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1016231
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,016,231)
1 × 1016231
First multiples
1,016,231 · 2,032,462 (double) · 3,048,693 · 4,064,924 · 5,081,155 · 6,097,386 · 7,113,617 · 8,129,848 · 9,146,079 · 10,162,310

Sums & aliquot sequence

As consecutive integers: 508,115 + 508,116

Continued fraction of √n

√1,016,231 = [1008; (12, 13, 1, 4, 1, 1, 2, 7, 4, 1, 1, 1, 3, 1, 9, 1, 4, 1, 3, 2, 1, 1, 2, 1, …)]

Representations

In words
one million sixteen thousand two hundred thirty-one
Ordinal
1016231st
Binary
11111000000110100111
Octal
3700647
Hexadecimal
0xF81A7
Base64
D4Gn
One's complement
4,293,951,064 (32-bit)
Scientific notation
1.016231 × 10⁶
As a duration
1,016,231 s = 11 days, 18 hours, 17 minutes, 11 seconds
In other bases
ternary (3) 1220122000012
quaternary (4) 3320012213
quinary (5) 230004411
senary (6) 33440435
septenary (7) 11431526
nonary (9) 1818005
undecimal (11) 634567
duodecimal (12) 41011b
tridecimal (13) 297728
tetradecimal (14) 1c64bd
pentadecimal (15) 15118b

As an angle

1,016,231° = 2,822 × 360° + 311°
311° ≈ 5.428 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓏺
Chinese
一百零一萬六千二百三十一
Chinese (financial)
壹佰零壹萬陸仟貳佰參拾壹
In other modern scripts
Eastern Arabic ١٠١٦٢٣١ Devanagari १०१६२३१ Bengali ১০১৬২৩১ Tamil ௧௦௧௬௨௩௧ Thai ๑๐๑๖๒๓๑ Tibetan ༡༠༡༦༢༣༡ Khmer ១០១៦២៣១ Lao ໑໐໑໖໒໓໑ Burmese ၁၀၁၆၂၃၁

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: cousin with 1016227, sexy with 1016237.

Hex color
#0F81A7
RGB(15, 129, 167)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.129.167.

Address
0.15.129.167
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.129.167

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 1, 6231 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 6231-10-01 (MMDYYYY (US, single-digit day))
  • 6231-01-10 (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 1,016,231 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.