Live analysis

1,018,081

1,018,081 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.).

1,018,081 (one million eighteen thousand eighty-one) is an odd 7-digit number. It is a composite number with 3 divisors, and factors as 1,009². It is a perfect square (1,009²). Written other ways, in hexadecimal, 0xF88E1.

Arithmetic Number Cube-Free Deficient Number Evil Number Flippable Frugal Number Perfect Square Powerful Number Semiprime

Interestingness

★ ★ ★ ★ ☆

7 notable facts · grade B

1,018,069 1,018,070 1,018,071 1,018,072 1,018,073 1,018,074 1,018,075 1,018,076 1,018,077 1,018,078 1,018,079 1,018,080 1,018,081 1,018,082 1,018,083 1,018,084 1,018,085 1,018,086 1,018,087 1,018,088 1,018,089 1,018,090 1,018,091 1,018,092 1,018,093

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 19
Digit product: 0
Digital root: 1
Palindrome: No
Bit width: 20 bits
Reversed: 1,808,101
Flips to (rotate 180°): 1,808,101
Square (n²): 1,036,488,922,561
Cube (n³): 1,055,229,678,769,825,441
Square root (√n): 1,009
Divisor count: 3
σ(n) — sum of divisors: 1,019,091
φ(n) — Euler's totient: 1,017,072
Sum of prime factors: 2,018

Primality

Prime factorization: 1009 ²

Nearest primes: 1,018,057 (−24) · 1,018,091 (+10)

Divisors & multiples

All divisors (3)

1 · 1009 · 1018081

Aliquot sum (sum of proper divisors): 1,010

Factor pairs (a × b = 1,018,081)

1 × 1018081

1009 × 1009

First multiples

1,018,081 · 2,036,162 (double) · 3,054,243 · 4,072,324 · 5,090,405 · 6,108,486 · 7,126,567 · 8,144,648 · 9,162,729 · 10,180,810

Sums & aliquot sequence

As a sum of two squares: 0² + 1,009² = 559² + 840²

As consecutive integers: 509,040 + 509,041 505 + 506 + … + 1,513

Aliquot sequence: 1,018,081 → 1,010 → 826 → 614 → 310 → 266 → 214 → 110 → 106 → 56 → 64 → 63 → 41 → 1 → 0 — terminates at zero

Representations

In words: one million eighteen thousand eighty-one
Ordinal: 1018081st
Binary: 11111000100011100001
Octal: 3704341
Hexadecimal: 0xF88E1
Base64: D4jh
One's complement: 4,293,949,214 (32-bit)
Scientific notation: 1.018081 × 10⁶
As a duration: 1,018,081 s = 11 days, 18 hours, 48 minutes, 1 second

In other bases

ternary (3) 1220201112201

quaternary (4) 3320203201

quinary (5) 230034311

senary (6) 33453201

septenary (7) 11440111

nonary (9) 1821481

undecimal (11) 635999

duodecimal (12) 411201

tridecimal (13) 29851c

tetradecimal (14) 1c7041

pentadecimal (15) 1519c1

As an angle

1,018,081° = 2,828 × 360° + 1°

1° ≈ 0.017 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese: 一百零一萬八千零八十一
Chinese (financial): 壹佰零壹萬捌仟零捌拾壹

In other modern scripts

Eastern Arabic ١٠١٨٠٨١ Devanagari १०१८०८१ Bengali ১০১৮০৮১ Tamil ௧௦௧௮௦௮௧ Thai ๑๐๑๘๐๘๑ Tibetan ༡༠༡༨༠༨༡ Khmer ១០១៨០៨១ Lao ໑໐໑໘໐໘໑ Burmese ၁၀၁၈၀၈၁

Also seen as

Hex color

#0F88E1

RGB(15, 136, 225)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.136.225.

Address: 0.15.136.225
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.136.225

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 8081 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

8081-10-01 (MMDYYYY (US, single-digit day))
8081-01-10 (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 1,018,081 and was likely granted around 1911.

Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.

Look up US1,018,081 on Google Patents ↗ Look up on USPTO ↗