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1,022,201

1,022,201 is a prime, 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.).

1,022,201 (one million twenty-two thousand two hundred one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Its digits read the same forwards and backwards, so it is a palindromic number. Written other ways, in hexadecimal, 0xF98F9.

Arithmetic Number Cube-Free Deficient Number Odious Number Palindrome Palindromic Prime Pernicious Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
8
Digit product
0
Digital root
8
Palindrome
Yes
Bit width
20 bits
Recamán's sequence
a(371,925) = 1,022,201
Square (n²)
1,044,894,884,401
Cube (n³)
1,068,092,595,729,586,601
Divisor count
2
σ(n) — sum of divisors
1,022,202
φ(n) — Euler's totient
1,022,200

Primality

1,022,201 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1022201
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,022,201)
1 × 1022201
First multiples
1,022,201 · 2,044,402 (double) · 3,066,603 · 4,088,804 · 5,111,005 · 6,133,206 · 7,155,407 · 8,177,608 · 9,199,809 · 10,222,010

Sums & aliquot sequence

As a sum of two squares: 149² + 1,000²
As consecutive integers: 511,100 + 511,101

Continued fraction of √n

√1,022,201 = [1011; (25, 3, 1, 1, 1, 2, 2, 1, 5, 1, 18, 21, 4, 3, 4, 1, 1, 13, 2, 1, 1, 5, 2, 3, …)]

Representations

In words
one million twenty-two thousand two hundred one
Ordinal
1022201st
Binary
11111001100011111001
Octal
3714371
Hexadecimal
0xF98F9
Base64
D5j5
One's complement
4,293,945,094 (32-bit)
Scientific notation
1.022201 × 10⁶
As a duration
1,022,201 s = 11 days, 19 hours, 56 minutes, 41 seconds
In other bases
ternary (3) 1220221012022
quaternary (4) 3321203321
quinary (5) 230202301
senary (6) 33524225
septenary (7) 11455115
nonary (9) 1827168
undecimal (11) 638aa4
duodecimal (12) 413675
tridecimal (13) 29a36b
tetradecimal (14) 1c8745
pentadecimal (15) 152d1b

As an angle

1,022,201° = 2,839 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓆼𓆼𓍢𓍢𓏺
Chinese
一百零二萬二千二百零一
Chinese (financial)
壹佰零貳萬貳仟貳佰零壹
In other modern scripts
Eastern Arabic ١٠٢٢٢٠١ Devanagari १०२२२०१ Bengali ১০২২২০১ Tamil ௧௦௨௨௨௦௧ Thai ๑๐๒๒๒๐๑ Tibetan ༡༠༢༢༢༠༡ Khmer ១០២២២០១ Lao ໑໐໒໒໒໐໑ Burmese ၁၀၂၂၂၀၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F98F9
RGB(15, 152, 249)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.152.249.

Address
0.15.152.249
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.152.249

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

Possible date

Could be parsed as a date. Most likely interpretation: Friday, January 2, 2201 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 2201-02-01 (DMMYYYY (Euro, single-digit day))
  • 2201-10-02 (MMDYYYY (US, single-digit day))
  • 2201-02-10 (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 1,022,201 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

  • Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
  • Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.