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1,017,221

1,017,221 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.).

1,017,221 (one million seventeen thousand two hundred twenty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 23 × 47 × 941. Written other ways, in hexadecimal, 0xF8585.

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

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
20 bits
Reversed
1,227,101
Square (n²)
1,034,738,562,841
Cube (n³)
1,052,557,795,631,684,861
Divisor count
8
σ(n) — sum of divisors
1,085,184
φ(n) — Euler's totient
951,280
Sum of prime factors
1,011

Primality

Prime factorization: 23 × 47 × 941

Nearest primes: 1,017,209 (−12) · 1,017,227 (+6)

Divisors & multiples

All divisors (8)
1 · 23 · 47 · 941 · 1081 · 21643 · 44227 · 1017221
Aliquot sum (sum of proper divisors): 67,963
Factor pairs (a × b = 1,017,221)
1 × 1017221
23 × 44227
47 × 21643
941 × 1081
First multiples
1,017,221 · 2,034,442 (double) · 3,051,663 · 4,068,884 · 5,086,105 · 6,103,326 · 7,120,547 · 8,137,768 · 9,154,989 · 10,172,210

Sums & aliquot sequence

As consecutive integers: 508,610 + 508,611 44,216 + 44,217 + … + 44,238 22,091 + 22,092 + … + 22,136 21,620 + 21,621 + … + 21,666
Aliquot sequence: 1,017,221 67,963 16,397 883 1 0 — terminates at zero

Continued fraction of √n

√1,017,221 = [1008; (1, 1, 2, 1, 8, 10, 1, 1, 1, 1, 2, 8, 1, 503, 2, 1, 1, 5, 2, 42, 2, 5, 1, 1, …)]

Period length 40 — the block in parentheses repeats forever.

Representations

In words
one million seventeen thousand two hundred twenty-one
Ordinal
1017221st
Binary
11111000010110000101
Octal
3702605
Hexadecimal
0xF8585
Base64
D4WF
One's complement
4,293,950,074 (32-bit)
Scientific notation
1.017221 × 10⁶
As a duration
1,017,221 s = 11 days, 18 hours, 33 minutes, 41 seconds
In other bases
ternary (3) 1220200100212
quaternary (4) 3320112011
quinary (5) 230022341
senary (6) 33445205
septenary (7) 11434442
nonary (9) 1820325
undecimal (11) 635287
duodecimal (12) 410805
tridecimal (13) 29800a
tetradecimal (14) 1c69c9
pentadecimal (15) 1515eb

As an angle

1,017,221° = 2,825 × 360° + 221°
221° ≈ 3.857 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Chinese
一百零一萬七千二百二十一
Chinese (financial)
壹佰零壹萬柒仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ١٠١٧٢٢١ Devanagari १०१७२२१ Bengali ১০১৭২২১ Tamil ௧௦௧௭௨௨௧ Thai ๑๐๑๗๒๒๑ Tibetan ༡༠༡༧༢༢༡ Khmer ១០១៧២២១ Lao ໑໐໑໗໒໒໑ Burmese ၁၀၁၇၂၂၁

Also seen as

Hex color
#0F8585
RGB(15, 133, 133)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.133.133.

Address
0.15.133.133
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.133.133

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 1, 7221 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 7221-10-01 (MMDYYYY (US, single-digit day))
  • 7221-01-10 (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 1,017,221 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