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1,055,261

1,055,261 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.).

1,055,261 (one million fifty-five thousand two hundred sixty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x101A1D.

Arithmetic Number Cube-Free Deficient Number Emirp Evil Number Prime Pythagorean Prime Sexy Prime Sophie Germain Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
21 bits
Reversed
1,625,501
Square (n²)
1,113,575,778,121
Cube (n³)
1,175,113,089,195,744,581
Divisor count
2
σ(n) — sum of divisors
1,055,262
φ(n) — Euler's totient
1,055,260

Primality

1,055,261 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1055261
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,055,261)
1 × 1055261
First multiples
1,055,261 · 2,110,522 (double) · 3,165,783 · 4,221,044 · 5,276,305 · 6,331,566 · 7,386,827 · 8,442,088 · 9,497,349 · 10,552,610

Sums & aliquot sequence

As a sum of two squares: 130² + 1,019²
As consecutive integers: 527,630 + 527,631

Continued fraction of √n

√1,055,261 = [1027; (3, 1, 6, 4, 1, 1, 1, 33, 27, 293, 2, 6, 1, 3, 5, 1, 1, 1, 2, 4, 2, 3, 3, 1, …)]

Representations

In words
one million fifty-five thousand two hundred sixty-one
Ordinal
1055261st
Binary
100000001101000011101
Octal
4015035
Hexadecimal
0x101A1D
Base64
EBod
One's complement
4,293,912,034 (32-bit)
Scientific notation
1.055261 × 10⁶
As a duration
1,055,261 s = 12 days, 5 hours, 7 minutes, 41 seconds
In other bases
ternary (3) 1222121112202
quaternary (4) 10001220131
quinary (5) 232232021
senary (6) 34341245
septenary (7) 11653364
nonary (9) 1877482
undecimal (11) 660919
duodecimal (12) 42a825
tridecimal (13) 2ac41c
tetradecimal (14) 1d67db
pentadecimal (15) 15ca0b

As an angle

1,055,261° = 2,931 × 360° + 101°
101° ≈ 1.763 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓁨𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零五萬五千二百六十一
Chinese (financial)
壹佰零伍萬伍仟貳佰陸拾壹
In other modern scripts
Eastern Arabic ١٠٥٥٢٦١ Devanagari १०५५२६१ Bengali ১০৫৫২৬১ Tamil ௧௦௫௫௨௬௧ Thai ๑๐๕๕๒๖๑ Tibetan ༡༠༥༥༢༦༡ Khmer ១០៥៥២៦១ Lao ໑໐໕໕໒໖໑ Burmese ၁၀၅၅၂၆၁

Also seen as

Prime neighborhood

Adjacent primes:

Pair status: sexy with 1055267.

Hex color
#101A1D
RGB(16, 26, 29)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.16.26.29.

Address
0.16.26.29
Class
reserved
IPv4-mapped IPv6
::ffff:0.16.26.29

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 5, 5261 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)
  • 5261-05-01 (DMMYYYY (Euro, single-digit day))
  • 5261-10-05 (MMDYYYY (US, single-digit day))
  • 5261-05-10 (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 1,055,261 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.