number.wiki
Live analysis

1,012,221

1,012,221 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.).

1,012,221 (one million twelve thousand two hundred twenty-one) is an odd 7-digit number. It is a composite number with 12 divisors, and factors as 3² × 7 × 16,067. Written other ways, in hexadecimal, 0xF71FD.

Arithmetic Number Cube-Free Deficient Number Harshad / Niven Odious Number

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
1,222,101
Square (n²)
1,024,591,352,841
Cube (n³)
1,037,112,883,764,069,861
Divisor count
12
σ(n) — sum of divisors
1,671,072
φ(n) — Euler's totient
578,376
Sum of prime factors
16,080

Primality

Prime factorization: 3 2 × 7 × 16067

Nearest primes: 1,012,217 (−4) · 1,012,229 (+8)

Divisors & multiples

All divisors (12)
1 · 3 · 7 · 9 · 21 · 63 · 16067 · 48201 · 112469 · 144603 · 337407 · 1012221
Aliquot sum (sum of proper divisors): 658,851
Factor pairs (a × b = 1,012,221)
1 × 1012221
3 × 337407
7 × 144603
9 × 112469
21 × 48201
63 × 16067
First multiples
1,012,221 · 2,024,442 (double) · 3,036,663 · 4,048,884 · 5,061,105 · 6,073,326 · 7,085,547 · 8,097,768 · 9,109,989 · 10,122,210

Sums & aliquot sequence

As consecutive integers: 506,110 + 506,111 337,406 + 337,407 + 337,408 168,701 + 168,702 + 168,703 + 168,704 + 168,705 + 168,706 144,600 + 144,601 + … + 144,606
Aliquot sequence: 1,012,221 658,851 250,029 139,087 11,705 2,347 1 0 — terminates at zero

Continued fraction of √n

√1,012,221 = [1006; (10, 1, 7, 13, 5, 55, 1, 2, 3, 3, 31, 1, 1, 1, 3, 502, 1, 3, 2, 2, 7, 1, 1, 2, …)]

Period length 56 — the block in parentheses repeats forever.

Representations

In words
one million twelve thousand two hundred twenty-one
Ordinal
1012221st
Binary
11110111000111111101
Octal
3670775
Hexadecimal
0xF71FD
Base64
D3H9
One's complement
4,293,955,074 (32-bit)
Scientific notation
1.012221 × 10⁶
As a duration
1,012,221 s = 11 days, 17 hours, 10 minutes, 21 seconds
In other bases
ternary (3) 1220102111200
quaternary (4) 3313013331
quinary (5) 224342341
senary (6) 33410113
septenary (7) 11414040
nonary (9) 1812450
undecimal (11) 631551
duodecimal (12) 409939
tridecimal (13) 295962
tetradecimal (14) 1c4c57
pentadecimal (15) 14edb6

As an angle

1,012,221° = 2,811 × 360° + 261°
261° ≈ 4.555 rad
Compass bearing: W (west)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Chinese
一百零一萬二千二百二十一
Chinese (financial)
壹佰零壹萬貳仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ١٠١٢٢٢١ Devanagari १०१२२२१ Bengali ১০১২২২১ Tamil ௧௦௧௨௨௨௧ Thai ๑๐๑๒๒๒๑ Tibetan ༡༠༡༢༢༢༡ Khmer ១០១២២២១ Lao ໑໐໑໒໒໒໑ Burmese ၁၀၁၂၂၂၁

Also seen as

Hex color
#0F71FD
RGB(15, 113, 253)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.113.253.

Address
0.15.113.253
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.113.253

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

Possible date

Could be parsed as a date. Most likely interpretation: Monday, January 1, 2221 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 2221-10-01 (MMDYYYY (US, single-digit day))
  • 2221-01-10 (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 1,012,221 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