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1,042,161

1,042,161 is a composite number, 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.).

1,042,161 (one million forty-two thousand one hundred sixty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 3 × 311 × 1,117. Written other ways, in hexadecimal, 0xFE6F1.

Arithmetic Number Cube-Free Deficient Number Evil Number Self Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
20 bits
Reversed
1,612,401
Square (n²)
1,086,099,549,921
Cube (n³)
1,131,890,593,045,219,281
Divisor count
8
σ(n) — sum of divisors
1,395,264
φ(n) — Euler's totient
691,920
Sum of prime factors
1,431

Primality

Prime factorization: 3 × 311 × 1117

Nearest primes: 1,042,141 (−20) · 1,042,183 (+22)

Divisors & multiples

All divisors (8)
1 · 3 · 311 · 933 · 1117 · 3351 · 347387 · 1042161
Aliquot sum (sum of proper divisors): 353,103
Factor pairs (a × b = 1,042,161)
1 × 1042161
3 × 347387
311 × 3351
933 × 1117
First multiples
1,042,161 · 2,084,322 (double) · 3,126,483 · 4,168,644 · 5,210,805 · 6,252,966 · 7,295,127 · 8,337,288 · 9,379,449 · 10,421,610

Sums & aliquot sequence

As consecutive integers: 521,080 + 521,081 347,386 + 347,387 + 347,388 173,691 + 173,692 + 173,693 + 173,694 + 173,695 + 173,696 3,196 + 3,197 + … + 3,506
Aliquot sequence: 1,042,161 353,103 117,705 112,695 84,297 28,103 337 1 0 — terminates at zero

Continued fraction of √n

√1,042,161 = [1020; (1, 6, 3, 2, 2, 1, 1, 1, 3, 2, 1, 290, 1, 50, 21, 2, 8, 1, 1, 41, 7, 7, 6, 1, …)]

Representations

In words
one million forty-two thousand one hundred sixty-one
Ordinal
1042161st
Binary
11111110011011110001
Octal
3763361
Hexadecimal
0xFE6F1
Base64
D+bx
One's complement
4,293,925,134 (32-bit)
Scientific notation
1.042161 × 10⁶
As a duration
1,042,161 s = 12 days, 1 hour, 29 minutes, 21 seconds
In other bases
ternary (3) 1221221120120
quaternary (4) 3332123301
quinary (5) 231322121
senary (6) 34200453
septenary (7) 11600241
nonary (9) 1857516
undecimal (11) 651a9a
duodecimal (12) 423129
tridecimal (13) 2a6483
tetradecimal (14) 1d1b21
pentadecimal (15) 158bc6

As an angle

1,042,161° = 2,894 × 360° + 321°
321° ≈ 5.603 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零四萬二千一百六十一
Chinese (financial)
壹佰零肆萬貳仟壹佰陸拾壹
In other modern scripts
Eastern Arabic ١٠٤٢١٦١ Devanagari १०४२१६१ Bengali ১০৪২১৬১ Tamil ௧௦௪௨௧௬௧ Thai ๑๐๔๒๑๖๑ Tibetan ༡༠༤༢༡༦༡ Khmer ១០៤២១៦១ Lao ໑໐໔໒໑໖໑ Burmese ၁၀၄၂၁၆၁

Also seen as

Hex color
#0FE6F1
RGB(15, 230, 241)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.230.241.

Address
0.15.230.241
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.230.241

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 4, 2161 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2161-04-01 (DMMYYYY (Euro, single-digit day))
  • 2161-10-04 (MMDYYYY (US, single-digit day))
  • 2161-04-10 (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 1,042,161 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