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1,048,221

1,048,221 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.).

1,048,221 (one million forty-eight thousand two hundred twenty-one) is an odd 7-digit number. It is a composite number with 10 divisors, and factors as 3⁴ × 12,941. Written other ways, in hexadecimal, 0xFFE9D.

Deficient Number Evil Number

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
20 bits
Reversed
1,228,401
Square (n²)
1,098,767,264,841
Cube (n³)
1,151,750,921,118,897,861
Divisor count
10
σ(n) — sum of divisors
1,565,982
φ(n) — Euler's totient
698,760
Sum of prime factors
12,953

Primality

Prime factorization: 3 4 × 12941

Nearest primes: 1,048,219 (−2) · 1,048,261 (+40)

Divisors & multiples

All divisors (10)
1 · 3 · 9 · 27 · 81 · 12941 · 38823 · 116469 · 349407 · 1048221
Aliquot sum (sum of proper divisors): 517,761
Factor pairs (a × b = 1,048,221)
1 × 1048221
3 × 349407
9 × 116469
27 × 38823
81 × 12941
First multiples
1,048,221 · 2,096,442 (double) · 3,144,663 · 4,192,884 · 5,241,105 · 6,289,326 · 7,337,547 · 8,385,768 · 9,433,989 · 10,482,210

Sums & aliquot sequence

As a sum of two squares: 261² + 990²
As consecutive integers: 524,110 + 524,111 349,406 + 349,407 + 349,408 174,701 + 174,702 + 174,703 + 174,704 + 174,705 + 174,706 116,465 + 116,466 + … + 116,473
Aliquot sequence: 1,048,221 517,761 230,129 13,555 2,717 643 1 0 — terminates at zero

Continued fraction of √n

√1,048,221 = [1023; (1, 4, 1, 3, 3, 8, 11, 1, 2, 1, 1, 13, 3, 1, 4, 3, 5, 2, 1, 1, 4, 1, 1, 2, …)]

Representations

In words
one million forty-eight thousand two hundred twenty-one
Ordinal
1048221st
Binary
11111111111010011101
Octal
3777235
Hexadecimal
0xFFE9D
Base64
D/6d
One's complement
4,293,919,074 (32-bit)
Scientific notation
1.048221 × 10⁶
As a duration
1,048,221 s = 12 days, 3 hours, 10 minutes, 21 seconds
In other bases
ternary (3) 1222020220000
quaternary (4) 3333322131
quinary (5) 232020341
senary (6) 34244513
septenary (7) 11624016
nonary (9) 1866800
undecimal (11) 6565a9
duodecimal (12) 426739
tridecimal (13) 2a9165
tetradecimal (14) 1d400d
pentadecimal (15) 15a8b6

As an angle

1,048,221° = 2,911 × 360° + 261°
261° ≈ 4.555 rad
Compass bearing: W (west)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Chinese
一百零四萬八千二百二十一
Chinese (financial)
壹佰零肆萬捌仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٤٨٢٢١ Devanagari १०४८२२१ Bengali ১০৪৮২২১ Tamil ௧௦௪௮௨௨௧ Thai ๑๐๔๘๒๒๑ Tibetan ༡༠༤༨༢༢༡ Khmer ១០៤៨២២១ Lao ໑໐໔໘໒໒໑ Burmese ၁၀၄၈၂၂၁

Also seen as

Hex color
#0FFE9D
RGB(15, 254, 157)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.254.157.

Address
0.15.254.157
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.254.157

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 4, 8221 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 8221-04-01 (DMMYYYY (Euro, single-digit day))
  • 8221-10-04 (MMDYYYY (US, single-digit day))
  • 8221-04-10 (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 1,048,221 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