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1,011,961

1,011,961 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.).

1,011,961 (one million eleven thousand nine 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, 0xF70F9.

Arithmetic Number Cube-Free Deficient Number Emirp Flippable Odious Number Pernicious Number Prime Pythagorean Prime Squarefree

Interestingness

Properties

Parity
Odd
Digit count
7
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
20 bits
Reversed
1,691,101
Flips to (rotate 180°)
1,961,101
Square (n²)
1,024,065,065,521
Cube (n³)
1,036,313,907,769,696,681
Divisor count
2
σ(n) — sum of divisors
1,011,962
φ(n) — Euler's totient
1,011,960

Primality

1,011,961 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 1011961
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 1,011,961)
1 × 1011961
First multiples
1,011,961 · 2,023,922 (double) · 3,035,883 · 4,047,844 · 5,059,805 · 6,071,766 · 7,083,727 · 8,095,688 · 9,107,649 · 10,119,610

Sums & aliquot sequence

As a sum of two squares: 44² + 1,005²
As consecutive integers: 505,980 + 505,981

Continued fraction of √n

√1,011,961 = [1005; (1, 25, 1, 4, 1, 3, 22, 1, 1, 1, 1, 21, 31, 2, 1, 1, 3, 2, 2, 1, 1, 15, 1, 3, …)]

Representations

In words
one million eleven thousand nine hundred sixty-one
Ordinal
1011961st
Binary
11110111000011111001
Octal
3670371
Hexadecimal
0xF70F9
Base64
D3D5
One's complement
4,293,955,334 (32-bit)
Scientific notation
1.011961 × 10⁶
As a duration
1,011,961 s = 11 days, 17 hours, 6 minutes, 1 second
In other bases
ternary (3) 1220102011001
quaternary (4) 3313003321
quinary (5) 224340321
senary (6) 33405001
septenary (7) 11413216
nonary (9) 1812131
undecimal (11) 631335
duodecimal (12) 409761
tridecimal (13) 2957c2
tetradecimal (14) 1c4b0d
pentadecimal (15) 14ec91

As an angle

1,011,961° = 2,811 × 360° + 1°
1° ≈ 0.017 rad
Compass bearing: N (north)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓁨𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese
一百零一萬一千九百六十一
Chinese (financial)
壹佰零壹萬壹仟玖佰陸拾壹
In other modern scripts
Eastern Arabic ١٠١١٩٦١ Devanagari १०११९६१ Bengali ১০১১৯৬১ Tamil ௧௦௧௧௯௬௧ Thai ๑๐๑๑๙๖๑ Tibetan ༡༠༡༡༩༦༡ Khmer ១០១១៩៦១ Lao ໑໐໑໑໙໖໑ Burmese ၁၀၁၁၉၆၁

Also seen as

Prime neighborhood

Adjacent primes:

Hex color
#0F70F9
RGB(15, 112, 249)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.112.249.

Address
0.15.112.249
Class
reserved
IPv4-mapped IPv6
::ffff:0.15.112.249

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 1, 1961 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)
  • 1961-10-01 (MMDYYYY (US, single-digit day))
  • 1961-01-10 (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 1,011,961 and was likely granted around 1911.

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.