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1,040,921

1,040,921 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.).

1,040,921 (one million forty thousand nine hundred twenty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 7 × 37 × 4,019. Written other ways, in hexadecimal, 0xFE219.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Pernicious Number Self 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
1,290,401
Square (n²)
1,083,516,528,241
Cube (n³)
1,127,855,108,093,149,961
Divisor count
8
σ(n) — sum of divisors
1,222,080
φ(n) — Euler's totient
867,888
Sum of prime factors
4,063

Primality

Prime factorization: 7 × 37 × 4019

Nearest primes: 1,040,899 (−22) · 1,040,929 (+8)

Divisors & multiples

All divisors (8)
1 · 7 · 37 · 259 · 4019 · 28133 · 148703 · 1040921
Aliquot sum (sum of proper divisors): 181,159
Factor pairs (a × b = 1,040,921)
1 × 1040921
7 × 148703
37 × 28133
259 × 4019
First multiples
1,040,921 · 2,081,842 (double) · 3,122,763 · 4,163,684 · 5,204,605 · 6,245,526 · 7,286,447 · 8,327,368 · 9,368,289 · 10,409,210

Sums & aliquot sequence

As consecutive integers: 520,460 + 520,461 148,700 + 148,701 + … + 148,706 74,345 + 74,346 + … + 74,358 28,115 + 28,116 + … + 28,151
Aliquot sequence: 1,040,921 181,159 21,593 3,943 1 0 — terminates at zero

Continued fraction of √n

√1,040,921 = [1020; (3, 1, 10, 1, 10, 8, 1, 2, 2, 1, 2, 81, 3, 1, 290, 1, 3, 81, 2, 1, 2, 2, 1, 8, …)]

Period length 30 — the block in parentheses repeats forever.

Representations

In words
one million forty thousand nine hundred twenty-one
Ordinal
1040921st
Binary
11111110001000011001
Octal
3761031
Hexadecimal
0xFE219
Base64
D+IZ
One's complement
4,293,926,374 (32-bit)
Scientific notation
1.040921 × 10⁶
As a duration
1,040,921 s = 12 days, 1 hour, 8 minutes, 41 seconds
In other bases
ternary (3) 1221212212122
quaternary (4) 3332020121
quinary (5) 231302141
senary (6) 34151025
septenary (7) 11563520
nonary (9) 1855778
undecimal (11) 651072
duodecimal (12) 422475
tridecimal (13) 2a5a3b
tetradecimal (14) 1d14b7
pentadecimal (15) 15864b

As an angle

1,040,921° = 2,891 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零四萬零九百二十一
Chinese (financial)
壹佰零肆萬零玖佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٤٠٩٢١ Devanagari १०४०९२१ Bengali ১০৪০৯২১ Tamil ௧௦௪௦௯௨௧ Thai ๑๐๔๐๙๒๑ Tibetan ༡༠༤༠༩༢༡ Khmer ១០៤០៩២១ Lao ໑໐໔໐໙໒໑ Burmese ၁၀၄၀၉၂၁

Also seen as

Hex color
#0FE219
RGB(15, 226, 25)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.226.25.

Address
0.15.226.25
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.226.25

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 4, 0921 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 0921-04-01 (DMMYYYY (Euro, single-digit day))
  • 0921-10-04 (MMDYYYY (US, single-digit day))
  • 0921-04-10 (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 1,040,921 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