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1,006,605

1,006,605 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.).

1,006,605 (one million six thousand six hundred five) is an odd 7-digit number. It is a composite number with 12 divisors, and factors as 3² × 5 × 22,369. Written other ways, in hexadecimal, 0xF5C0D.

Arithmetic Number Cube-Free Deficient Number Gapful Number Odious Number Pernicious Number

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
5,066,001
Square (n²)
1,013,253,626,025
Cube (n³)
1,019,946,166,224,895,125
Divisor count
12
σ(n) — sum of divisors
1,744,860
φ(n) — Euler's totient
536,832
Sum of prime factors
22,380

Primality

Prime factorization: 3 2 × 5 × 22369

Nearest primes: 1,006,589 (−16) · 1,006,609 (+4)

Divisors & multiples

All divisors (12)
1 · 3 · 5 · 9 · 15 · 45 · 22369 · 67107 · 111845 · 201321 · 335535 · 1006605
Aliquot sum (sum of proper divisors): 738,255
Factor pairs (a × b = 1,006,605)
1 × 1006605
3 × 335535
5 × 201321
9 × 111845
15 × 67107
45 × 22369
First multiples
1,006,605 · 2,013,210 (double) · 3,019,815 · 4,026,420 · 5,033,025 · 6,039,630 · 7,046,235 · 8,052,840 · 9,059,445 · 10,066,050

Sums & aliquot sequence

As a sum of two squares: 51² + 1,002² = 642² + 771²
As consecutive integers: 503,302 + 503,303 335,534 + 335,535 + 335,536 201,319 + 201,320 + 201,321 + 201,322 + 201,323 167,765 + 167,766 + 167,767 + 167,768 + 167,769 + 167,770
Aliquot sequence: 1,006,605 738,255 644,145 386,511 128,841 45,783 20,361 9,303 4,905 3,675 3,393 2,067 957 483 285 195 141 — unresolved within range

Continued fraction of √n

√1,006,605 = [1003; (3, 2, 1, 2, 1, 2, 2, 2, 3, 2, 2, 2, 99, 1, 10, 1, 2, 1, 10, 2, 6, 1, 2, 1, …)]

Representations

In words
one million six thousand six hundred five
Ordinal
1006605th
Binary
11110101110000001101
Octal
3656015
Hexadecimal
0xF5C0D
Base64
D1wN
One's complement
4,293,960,690 (32-bit)
Scientific notation
1.006605 × 10⁶
As a duration
1,006,605 s = 11 days, 15 hours, 36 minutes, 45 seconds
In other bases
ternary (3) 1220010210200
quaternary (4) 3311300031
quinary (5) 224202410
senary (6) 33324113
septenary (7) 11361465
nonary (9) 1803720
undecimal (11) 628306
duodecimal (12) 406639
tridecimal (13) 293232
tetradecimal (14) 1c2ba5
pentadecimal (15) 14d3c0

As an angle

1,006,605° = 2,796 × 360° + 45°
45° ≈ 0.785 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬六千六百零五
Chinese (financial)
壹佰萬陸仟陸佰零伍
In other modern scripts
Eastern Arabic ١٠٠٦٦٠٥ Devanagari १००६६०५ Bengali ১০০৬৬০৫ Tamil ௧௦௦௬௬௦௫ Thai ๑๐๐๖๖๐๕ Tibetan ༡༠༠༦༦༠༥ Khmer ១០០៦៦០៥ Lao ໑໐໐໖໖໐໕ Burmese ၁၀၀၆၆၀၅

Also seen as

Hex color
#0F5C0D
RGB(15, 92, 13)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.92.13.

Address
0.15.92.13
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.92.13

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

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 1,006,605 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