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1,016,561

1,016,561 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.).

1,016,561 (one million sixteen thousand five hundred sixty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 7 × 13 × 11,171. Written other ways, in hexadecimal, 0xF82F1.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
20 bits
Reversed
1,656,101
Square (n²)
1,033,396,266,721
Cube (n³)
1,050,510,342,294,166,481
Divisor count
8
σ(n) — sum of divisors
1,251,264
φ(n) — Euler's totient
804,240
Sum of prime factors
11,191

Primality

Prime factorization: 7 × 13 × 11171

Nearest primes: 1,016,527 (−34) · 1,016,567 (+6)

Divisors & multiples

All divisors (8)
1 · 7 · 13 · 91 · 11171 · 78197 · 145223 · 1016561
Aliquot sum (sum of proper divisors): 234,703
Factor pairs (a × b = 1,016,561)
1 × 1016561
7 × 145223
13 × 78197
91 × 11171
First multiples
1,016,561 · 2,033,122 (double) · 3,049,683 · 4,066,244 · 5,082,805 · 6,099,366 · 7,115,927 · 8,132,488 · 9,149,049 · 10,165,610

Sums & aliquot sequence

As consecutive integers: 508,280 + 508,281 145,220 + 145,221 + … + 145,226 78,191 + 78,192 + … + 78,203 72,605 + 72,606 + … + 72,618
Aliquot sequence: 1,016,561 234,703 33,537 17,599 1 0 — terminates at zero

Continued fraction of √n

√1,016,561 = [1008; (4, 17, 1, 1, 2, 7, 1, 3, 3, 1, 1, 1, 1, 2, 1, 1, 6, 1, 1, 5, 19, 1, 3, 1, …)]

Representations

In words
one million sixteen thousand five hundred sixty-one
Ordinal
1016561st
Binary
11111000001011110001
Octal
3701361
Hexadecimal
0xF82F1
Base64
D4Lx
One's complement
4,293,950,734 (32-bit)
Scientific notation
1.016561 × 10⁶
As a duration
1,016,561 s = 11 days, 18 hours, 22 minutes, 41 seconds
In other bases
ternary (3) 1220122110102
quaternary (4) 3320023301
quinary (5) 230012221
senary (6) 33442145
septenary (7) 11432510
nonary (9) 1818412
undecimal (11) 634837
duodecimal (12) 410355
tridecimal (13) 297920
tetradecimal (14) 1c6677
pentadecimal (15) 15130b

As an angle

1,016,561° = 2,823 × 360° + 281°
281° ≈ 4.904 rad
Compass bearing: W (west)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零一萬六千五百六十一
Chinese (financial)
壹佰零壹萬陸仟伍佰陸拾壹
In other modern scripts
Eastern Arabic ١٠١٦٥٦١ Devanagari १०१६५६१ Bengali ১০১৬৫৬১ Tamil ௧௦௧௬௫௬௧ Thai ๑๐๑๖๕๖๑ Tibetan ༡༠༡༦༥༦༡ Khmer ១០១៦៥៦១ Lao ໑໐໑໖໕໖໑ Burmese ၁၀၁၆၅၆၁

Also seen as

Hex color
#0F82F1
RGB(15, 130, 241)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.130.241.

Address
0.15.130.241
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.130.241

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 1, 6561 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 6561-10-01 (MMDYYYY (US, single-digit day))
  • 6561-01-10 (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 1,016,561 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

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