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1,005,606

1,005,606 is a composite number, even.

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.).

1,005,606 (one million five thousand six hundred six) is an even 7-digit number. It is a composite number with 48 divisors, and factors as 2 × 3² × 7 × 23 × 347. Its proper divisors sum to 1,600,218, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF5826.

Abundant Number Arithmetic Number Cube-Free Evil Number Harshad / Niven Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
6,065,001
Square (n²)
1,011,243,427,236
Cube (n³)
1,016,912,457,889,085,016
Divisor count
48
σ(n) — sum of divisors
2,605,824
φ(n) — Euler's totient
274,032
Sum of prime factors
385

Primality

Prime factorization: 2 × 3 2 × 7 × 23 × 347

Nearest primes: 1,005,593 (−13) · 1,005,617 (+11)

Divisors & multiples

All divisors (48)
1 · 2 · 3 · 6 · 7 · 9 · 14 · 18 · 21 · 23 · 42 · 46 · 63 · 69 · 126 · 138 · 161 · 207 · 322 · 347 · 414 · 483 · 694 · 966 · 1041 · 1449 · 2082 · 2429 · 2898 · 3123 · 4858 · 6246 · 7287 · 7981 · 14574 · 15962 · 21861 · 23943 · 43722 · 47886 · 55867 · 71829 · 111734 · 143658 · 167601 · 335202 · 502803 (half) · 1005606
Aliquot sum (sum of proper divisors): 1,600,218
Factor pairs (a × b = 1,005,606)
1 × 1005606
2 × 502803
3 × 335202
6 × 167601
7 × 143658
9 × 111734
14 × 71829
18 × 55867
21 × 47886
23 × 43722
42 × 23943
46 × 21861
63 × 15962
69 × 14574
126 × 7981
138 × 7287
161 × 6246
207 × 4858
322 × 3123
347 × 2898
414 × 2429
483 × 2082
694 × 1449
966 × 1041
First multiples
1,005,606 · 2,011,212 (double) · 3,016,818 · 4,022,424 · 5,028,030 · 6,033,636 · 7,039,242 · 8,044,848 · 9,050,454 · 10,056,060

Sums & aliquot sequence

As consecutive integers: 335,201 + 335,202 + 335,203 251,400 + 251,401 + 251,402 + 251,403 143,655 + 143,656 + … + 143,661 111,730 + 111,731 + … + 111,738
Aliquot sequence: 1,005,606 1,600,218 2,050,182 2,391,918 2,609,298 3,044,220 5,574,180 10,299,804 13,733,100 29,315,360 41,269,336 42,579,704 37,380,496 35,044,246 20,288,834 10,144,420 14,890,268 — unresolved within range

Continued fraction of √n

√1,005,606 = [1002; (1, 3, 1, 42, 1, 3, 1, 2004)]

Period length 8 — the block in parentheses repeats forever.

Representations

In words
one million five thousand six hundred six
Ordinal
1005606th
Binary
11110101100000100110
Octal
3654046
Hexadecimal
0xF5826
Base64
D1gm
One's complement
4,293,961,689 (32-bit)
Scientific notation
1.005606 × 10⁶
As a duration
1,005,606 s = 11 days, 15 hours, 20 minutes, 6 seconds
In other bases
ternary (3) 1220002102200
quaternary (4) 3311200212
quinary (5) 224134411
senary (6) 33315330
septenary (7) 11355540
nonary (9) 1802380
undecimal (11) 627588
duodecimal (12) 405b46
tridecimal (13) 292944
tetradecimal (14) 1c2690
pentadecimal (15) 14ce56

As an angle

1,005,606° = 2,793 × 360° + 126°
126° ≈ 2.199 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺
Chinese
一百萬五千六百零六
Chinese (financial)
壹佰萬伍仟陸佰零陸
In other modern scripts
Eastern Arabic ١٠٠٥٦٠٦ Devanagari १००५६०६ Bengali ১০০৫৬০৬ Tamil ௧௦௦௫௬௦௬ Thai ๑๐๐๕๖๐๖ Tibetan ༡༠༠༥༦༠༦ Khmer ១០០៥៦០៦ Lao ໑໐໐໕໖໐໖ Burmese ၁၀၀၅၆၀၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1005606, here are decompositions:

  • 13 + 1005593 = 1005606
  • 53 + 1005553 = 1005606
  • 79 + 1005527 = 1005606
  • 103 + 1005503 = 1005606
  • 113 + 1005493 = 1005606
  • 139 + 1005467 = 1005606
  • 149 + 1005457 = 1005606
  • 167 + 1005439 = 1005606

Showing the first eight; more decompositions exist.

Hex color
#0F5826
RGB(15, 88, 38)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.88.38.

Address
0.15.88.38
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.88.38

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 1,005,606 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

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.