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1,055,321

1,055,321 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.).

1,055,321 (one million fifty-five thousand three hundred twenty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x101A59.

Arithmetic Number Chen Prime Cube-Free Deficient Number Emirp Evil Number Prime Pythagorean Prime Self Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
21 bits
Reversed
1,235,501
Square (n²)
1,113,702,413,041
Cube (n³)
1,175,313,544,232,841,161
Divisor count
2
σ(n) — sum of divisors
1,055,322
φ(n) — Euler's totient
1,055,320

Primality

1,055,321 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1055321
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,055,321)
1 × 1055321
First multiples
1,055,321 · 2,110,642 (double) · 3,165,963 · 4,221,284 · 5,276,605 · 6,331,926 · 7,387,247 · 8,442,568 · 9,497,889 · 10,553,210

Sums & aliquot sequence

As a sum of two squares: 355² + 964²
As consecutive integers: 527,660 + 527,661

Continued fraction of √n

√1,055,321 = [1027; (3, 2, 7, 1, 5, 1, 17, 89, 3, 1, 1, 1, 11, 1, 1, 1, 410, 3, 1, 7, 2, 3, 2, 1, …)]

Representations

In words
one million fifty-five thousand three hundred twenty-one
Ordinal
1055321st
Binary
100000001101001011001
Octal
4015131
Hexadecimal
0x101A59
Base64
EBpZ
One's complement
4,293,911,974 (32-bit)
Scientific notation
1.055321 × 10⁶
As a duration
1,055,321 s = 12 days, 5 hours, 8 minutes, 41 seconds
In other bases
ternary (3) 1222121121222
quaternary (4) 10001221121
quinary (5) 232232241
senary (6) 34341425
septenary (7) 11653511
nonary (9) 1877558
undecimal (11) 660973
duodecimal (12) 42a875
tridecimal (13) 2ac467
tetradecimal (14) 1d6841
pentadecimal (15) 15ca4b

As an angle

1,055,321° = 2,931 × 360° + 161°
161° ≈ 2.81 rad
Compass bearing: SSE (south-southeast)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓏺
Chinese
一百零五萬五千三百二十一
Chinese (financial)
壹佰零伍萬伍仟參佰貳拾壹
In other modern scripts
Eastern Arabic ١٠٥٥٣٢١ Devanagari १०५५३२१ Bengali ১০৫৫৩২১ Tamil ௧௦௫௫௩௨௧ Thai ๑๐๕๕๓๒๑ Tibetan ༡༠༥༥༣༢༡ Khmer ១០៥៥៣២១ Lao ໑໐໕໕໓໒໑ Burmese ၁၀၅၅၃၂၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#101A59
RGB(16, 26, 89)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.26.89.

Address
0.16.26.89
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.26.89

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 5, 5321 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 5321-05-01 (DMMYYYY (Euro, single-digit day))
  • 5321-10-05 (MMDYYYY (US, single-digit day))
  • 5321-05-10 (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 1,055,321 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.