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1,042,221

1,042,221 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.).

1,042,221 (one million forty-two thousand two hundred twenty-one) is an odd 7-digit number. It is a composite number with 8 divisors, and factors as 3 × 73 × 4,759. Written other ways, in hexadecimal, 0xFE72D.

Arithmetic Number Cube-Free Deficient Number Evil Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
20 bits
Reversed
1,222,401
Square (n²)
1,086,224,612,841
Cube (n³)
1,132,086,102,219,759,861
Divisor count
8
σ(n) — sum of divisors
1,408,960
φ(n) — Euler's totient
685,152
Sum of prime factors
4,835

Primality

Prime factorization: 3 × 73 × 4759

Nearest primes: 1,042,211 (−10) · 1,042,241 (+20)

Divisors & multiples

All divisors (8)
1 · 3 · 73 · 219 · 4759 · 14277 · 347407 · 1042221
Aliquot sum (sum of proper divisors): 366,739
Factor pairs (a × b = 1,042,221)
1 × 1042221
3 × 347407
73 × 14277
219 × 4759
First multiples
1,042,221 · 2,084,442 (double) · 3,126,663 · 4,168,884 · 5,211,105 · 6,253,326 · 7,295,547 · 8,337,768 · 9,379,989 · 10,422,210

Sums & aliquot sequence

As consecutive integers: 521,110 + 521,111 347,406 + 347,407 + 347,408 173,701 + 173,702 + 173,703 + 173,704 + 173,705 + 173,706 14,241 + 14,242 + … + 14,313
Aliquot sequence: 1,042,221 366,739 1,685 343 57 23 1 0 — terminates at zero

Continued fraction of √n

√1,042,221 = [1020; (1, 8, 3, 1, 1, 4, 12, 4, 3, 20, 1, 2, 1, 6, 3, 6, 1, 8, 1, 2, 1, 1, 1, 1, …)]

Representations

In words
one million forty-two thousand two hundred twenty-one
Ordinal
1042221st
Binary
11111110011100101101
Octal
3763455
Hexadecimal
0xFE72D
Base64
D+ct
One's complement
4,293,925,074 (32-bit)
Scientific notation
1.042221 × 10⁶
As a duration
1,042,221 s = 12 days, 1 hour, 30 minutes, 21 seconds
In other bases
ternary (3) 1221221122210
quaternary (4) 3332130231
quinary (5) 231322341
senary (6) 34201033
septenary (7) 11600355
nonary (9) 1857583
undecimal (11) 652044
duodecimal (12) 423179
tridecimal (13) 2a64cb
tetradecimal (14) 1d1b65
pentadecimal (15) 158c16

As an angle

1,042,221° = 2,895 × 360° + 21°
21° ≈ 0.367 rad
Compass bearing: NNE (north-northeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓏺
Chinese
一百零四萬二千二百二十一
Chinese (financial)
壹佰零肆萬貳仟貳佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٤٢٢٢١ Devanagari १०४२२२१ Bengali ১০৪২২২১ Tamil ௧௦௪௨௨௨௧ Thai ๑๐๔๒๒๒๑ Tibetan ༡༠༤༢༢༢༡ Khmer ១០៤២២២១ Lao ໑໐໔໒໒໒໑ Burmese ၁၀၄၂၂၂၁

Also seen as

Hex color
#0FE72D
RGB(15, 231, 45)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.231.45.

Address
0.15.231.45
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.231.45

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

Possible date

Could be parsed as a date. Most likely interpretation: Thursday, January 4, 2221 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2221-04-01 (DMMYYYY (Euro, single-digit day))
  • 2221-10-04 (MMDYYYY (US, single-digit day))
  • 2221-04-10 (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 1,042,221 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