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1,053,221

1,053,221 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.).

1,053,221 (one million fifty-three thousand two hundred twenty-one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 13 × 81,017. Written other ways, in hexadecimal, 0x101225.

Arithmetic Number Cube-Free Deficient Number Evil Number Happy Number Semiprime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
14
Digit product
0
Digital root
5
Palindrome
No
Bit width
21 bits
Reversed
1,223,501
Square (n²)
1,109,274,474,841
Cube (n³)
1,168,311,171,666,512,861
Divisor count
4
σ(n) — sum of divisors
1,134,252
φ(n) — Euler's totient
972,192
Sum of prime factors
81,030

Primality

Prime factorization: 13 × 81017

Nearest primes: 1,053,197 (−24) · 1,053,233 (+12)

Divisors & multiples

All divisors (4)
1 · 13 · 81017 · 1053221
Aliquot sum (sum of proper divisors): 81,031
Factor pairs (a × b = 1,053,221)
1 × 1053221
13 × 81017
First multiples
1,053,221 · 2,106,442 (double) · 3,159,663 · 4,212,884 · 5,266,105 · 6,319,326 · 7,372,547 · 8,425,768 · 9,478,989 · 10,532,210

Sums & aliquot sequence

As a sum of two squares: 511² + 890² = 625² + 814²
As consecutive integers: 526,610 + 526,611 81,011 + 81,012 + … + 81,023 40,496 + 40,497 + … + 40,521
Aliquot sequence: 1,053,221 81,031 1 0 — terminates at zero

Continued fraction of √n

√1,053,221 = [1026; (3, 1, 3, 3, 1, 3, 2052)]

Period length 7 — the block in parentheses repeats forever.

Representations

In words
one million fifty-three thousand two hundred twenty-one
Ordinal
1053221st
Binary
100000001001000100101
Octal
4011045
Hexadecimal
0x101225
Base64
EBIl
One's complement
4,293,914,074 (32-bit)
Scientific notation
1.053221 × 10⁶
As a duration
1,053,221 s = 12 days, 4 hours, 33 minutes, 41 seconds
In other bases
ternary (3) 1222111202012
quaternary (4) 10001020211
quinary (5) 232200341
senary (6) 34324005
septenary (7) 11644421
nonary (9) 1874665
undecimal (11) 65a334
duodecimal (12) 429605
tridecimal (13) 2ab510
tetradecimal (14) 1d5b81
pentadecimal (15) 15c0eb

As an angle

1,053,221° = 2,925 × 360° + 221°
221° ≈ 3.857 rad
Compass bearing: SW (southwest)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Chinese
一百零五萬三千二百二十一
Chinese (financial)
壹佰零伍萬參仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٥٣٢٢١ Devanagari १०५३२२१ Bengali ১০৫৩২২১ Tamil ௧௦௫௩௨௨௧ Thai ๑๐๕๓๒๒๑ Tibetan ༡༠༥༣༢༢༡ Khmer ១០៥៣២២១ Lao ໑໐໕໓໒໒໑ Burmese ၁၀၅၃၂၂၁

Also seen as

Hex color
#101225
RGB(16, 18, 37)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.18.37.

Address
0.16.18.37
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.18.37

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

Possible date

Could be parsed as a date. Most likely interpretation: Tuesday, January 5, 3221 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 3221-05-01 (DMMYYYY (Euro, single-digit day))
  • 3221-10-05 (MMDYYYY (US, single-digit day))
  • 3221-05-10 (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 1,053,221 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