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1,021,355

1,021,355 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.).

1,021,355 (one million twenty-one thousand three hundred fifty-five) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 5 × 359 × 569. Written other ways, in hexadecimal, 0xF95AB.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
20 bits
Reversed
5,531,201
Square (n²)
1,043,166,036,025
Cube (n³)
1,065,442,846,724,313,875
Divisor count
8
σ(n) — sum of divisors
1,231,200
φ(n) — Euler's totient
813,376
Sum of prime factors
933

Primality

Prime factorization: 5 × 359 × 569

Nearest primes: 1,021,333 (−22) · 1,021,367 (+12)

Divisors & multiples

All divisors (8)
1 · 5 · 359 · 569 · 1795 · 2845 · 204271 · 1021355
Aliquot sum (sum of proper divisors): 209,845
Factor pairs (a × b = 1,021,355)
1 × 1021355
5 × 204271
359 × 2845
569 × 1795
First multiples
1,021,355 · 2,042,710 (double) · 3,064,065 · 4,085,420 · 5,106,775 · 6,128,130 · 7,149,485 · 8,170,840 · 9,192,195 · 10,213,550

Sums & aliquot sequence

As consecutive integers: 510,677 + 510,678 204,269 + 204,270 + 204,271 + 204,272 + 204,273 102,131 + 102,132 + … + 102,140 2,666 + 2,667 + … + 3,024
Aliquot sequence: 1,021,355 209,845 41,975 13,081 231 153 81 40 50 43 1 0 — terminates at zero

Continued fraction of √n

√1,021,355 = [1010; (1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 5, 1, 2, 2, 2, 2, 14, 7, 1, 7, 1, 19, 8, 404, …)]

Period length 48 — the block in parentheses repeats forever.

Representations

In words
one million twenty-one thousand three hundred fifty-five
Ordinal
1021355th
Binary
11111001010110101011
Octal
3712653
Hexadecimal
0xF95AB
Base64
D5Wr
One's complement
4,293,945,940 (32-bit)
Scientific notation
1.021355 × 10⁶
As a duration
1,021,355 s = 11 days, 19 hours, 42 minutes, 35 seconds
In other bases
ternary (3) 1220220000222
quaternary (4) 3321112223
quinary (5) 230140410
senary (6) 33520255
septenary (7) 11452466
nonary (9) 1826028
undecimal (11) 6383a5
duodecimal (12) 41308b
tridecimal (13) 299b6a
tetradecimal (14) 1c82dd
pentadecimal (15) 152955

As an angle

1,021,355° = 2,837 × 360° + 35°
35° ≈ 0.611 rad
Compass bearing: NE (northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese
一百零二萬一千三百五十五
Chinese (financial)
壹佰零貳萬壹仟參佰伍拾伍
In other modern scripts
Eastern Arabic ١٠٢١٣٥٥ Devanagari १०२१३५५ Bengali ১০২১৩৫৫ Tamil ௧௦௨௧௩௫௫ Thai ๑๐๒๑๓๕๕ Tibetan ༡༠༢༡༣༥༥ Khmer ១០២១៣៥៥ Lao ໑໐໒໑໓໕໕ Burmese ၁၀၂၁၃၅၅

Also seen as

Hex color
#0F95AB
RGB(15, 149, 171)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.149.171.

Address
0.15.149.171
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.149.171

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 2, 1355 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 1355-02-01 (DMMYYYY (Euro, single-digit day))
  • 1355-10-02 (MMDYYYY (US, single-digit day))
  • 1355-02-10 (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 1,021,355 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