number.wiki
Live analysis

1,042,091

1,042,091 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.).

1,042,091 (one million forty-two thousand ninety-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xFE6AB.

Arithmetic Number Cousin Prime Cube-Free Deficient Number Evil Number Happy Number 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
1,902,401
Square (n²)
1,085,953,652,281
Cube (n³)
1,131,662,527,459,159,571
Divisor count
2
σ(n) — sum of divisors
1,042,092
φ(n) — Euler's totient
1,042,090

Primality

1,042,091 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1042091
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,042,091)
1 × 1042091
First multiples
1,042,091 · 2,084,182 (double) · 3,126,273 · 4,168,364 · 5,210,455 · 6,252,546 · 7,294,637 · 8,336,728 · 9,378,819 · 10,420,910

Sums & aliquot sequence

As consecutive integers: 521,045 + 521,046

Continued fraction of √n

√1,042,091 = [1020; (1, 4, 1, 5, 59, 1, 7, 6, 1, 1, 1, 2, 1, 6, 2, 1, 20, 1, 4, 4, 2, 1, 1, 2, …)]

Representations

In words
one million forty-two thousand ninety-one
Ordinal
1042091st
Binary
11111110011010101011
Octal
3763253
Hexadecimal
0xFE6AB
Base64
D+ar
One's complement
4,293,925,204 (32-bit)
Scientific notation
1.042091 × 10⁶
As a duration
1,042,091 s = 12 days, 1 hour, 28 minutes, 11 seconds
In other bases
ternary (3) 1221221110222
quaternary (4) 3332122223
quinary (5) 231321331
senary (6) 34200255
septenary (7) 11600111
nonary (9) 1857428
undecimal (11) 651a36
duodecimal (12) 42308b
tridecimal (13) 2a642b
tetradecimal (14) 1d1ab1
pentadecimal (15) 158b7b

As an angle

1,042,091° = 2,894 × 360° + 251°
251° ≈ 4.381 rad
Compass bearing: WSW (west-southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零四萬二千零九十一
Chinese (financial)
壹佰零肆萬貳仟零玖拾壹
In other modern scripts
Eastern Arabic ١٠٤٢٠٩١ Devanagari १०४२०९१ Bengali ১০৪২০৯১ Tamil ௧௦௪௨௦௯௧ Thai ๑๐๔๒๐๙๑ Tibetan ༡༠༤༢༠༩༡ Khmer ១០៤២០៩១ Lao ໑໐໔໒໐໙໑ Burmese ၁၀၄၂၀၉၁

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: cousin with 1042087.

Hex color
#0FE6AB
RGB(15, 230, 171)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.230.171.

Address
0.15.230.171
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.230.171

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 4, 2091 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2091-04-01 (DMMYYYY (Euro, single-digit day))
  • 2091-10-04 (MMDYYYY (US, single-digit day))
  • 2091-04-10 (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 1,042,091 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.