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1,022,661

1,022,661 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.).

1,022,661 (one million twenty-two thousand six hundred sixty-one) is an odd 7-digit number. It is a composite number with 12 divisors, and factors as 3² × 199 × 571. Written other ways, in hexadecimal, 0xF9AC5.

Cube-Free Deficient Number Evil Number Happy Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
1,662,201
Recamán's sequence
a(371,005) = 1,022,661
Square (n²)
1,045,835,520,921
Cube (n³)
1,069,535,199,660,590,781
Divisor count
12
σ(n) — sum of divisors
1,487,200
φ(n) — Euler's totient
677,160
Sum of prime factors
776

Primality

Prime factorization: 3 2 × 199 × 571

Nearest primes: 1,022,653 (−8) · 1,022,677 (+16)

Divisors & multiples

All divisors (12)
1 · 3 · 9 · 199 · 571 · 597 · 1713 · 1791 · 5139 · 113629 · 340887 · 1022661
Aliquot sum (sum of proper divisors): 464,539
Factor pairs (a × b = 1,022,661)
1 × 1022661
3 × 340887
9 × 113629
199 × 5139
571 × 1791
597 × 1713
First multiples
1,022,661 · 2,045,322 (double) · 3,067,983 · 4,090,644 · 5,113,305 · 6,135,966 · 7,158,627 · 8,181,288 · 9,203,949 · 10,226,610

Sums & aliquot sequence

As consecutive integers: 511,330 + 511,331 340,886 + 340,887 + 340,888 170,441 + 170,442 + 170,443 + 170,444 + 170,445 + 170,446 113,625 + 113,626 + … + 113,633
Aliquot sequence: 1,022,661 464,539 1 0 — terminates at zero

Continued fraction of √n

√1,022,661 = [1011; (3, 1, 2, 1, 11, 1, 1, 2, 48, 1, 14, 505, 1, 1, 3, 4, 12, 10, 12, 4, 3, 1, 1, 505, …)]

Period length 36 — the block in parentheses repeats forever.

Representations

In words
one million twenty-two thousand six hundred sixty-one
Ordinal
1022661st
Binary
11111001101011000101
Octal
3715305
Hexadecimal
0xF9AC5
Base64
D5rF
One's complement
4,293,944,634 (32-bit)
Scientific notation
1.022661 × 10⁶
As a duration
1,022,661 s = 11 days, 20 hours, 4 minutes, 21 seconds
In other bases
ternary (3) 1220221211100
quaternary (4) 3321223011
quinary (5) 230211121
senary (6) 33530313
septenary (7) 11456343
nonary (9) 1827740
undecimal (11) 639382
duodecimal (12) 413999
tridecimal (13) 29a633
tetradecimal (14) 1c8993
pentadecimal (15) 153026

As an angle

1,022,661° = 2,840 × 360° + 261°
261° ≈ 4.555 rad
Compass bearing: W (west)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零二萬二千六百六十一
Chinese (financial)
壹佰零貳萬貳仟陸佰陸拾壹
In other modern scripts
Eastern Arabic ١٠٢٢٦٦١ Devanagari १०२२६६१ Bengali ১০২২৬৬১ Tamil ௧௦௨௨௬௬௧ Thai ๑๐๒๒๖๖๑ Tibetan ༡༠༢༢༦༦༡ Khmer ១០២២៦៦១ Lao ໑໐໒໒໖໖໑ Burmese ၁၀၂၂၆၆၁

Also seen as

Hex color
#0F9AC5
RGB(15, 154, 197)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.154.197.

Address
0.15.154.197
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.154.197

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 2, 2661 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2661-02-01 (DMMYYYY (Euro, single-digit day))
  • 2661-10-02 (MMDYYYY (US, single-digit day))
  • 2661-02-10 (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 1,022,661 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