Live analysis

1,015,081

1,015,081 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.).

1,015,081 (one million fifteen thousand eighty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF7D29.

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

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

1,015,069 1,015,070 1,015,071 1,015,072 1,015,073 1,015,074 1,015,075 1,015,076 1,015,077 1,015,078 1,015,079 1,015,080 1,015,081 1,015,082 1,015,083 1,015,084 1,015,085 1,015,086 1,015,087 1,015,088 1,015,089 1,015,090 1,015,091 1,015,092 1,015,093

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 16
Digit product: 0
Digital root: 7
Palindrome: No
Bit width: 20 bits
Reversed: 1,805,101
Recamán's sequence: a(364,705) = 1,015,081
Square (n²): 1,030,389,436,561
Cube (n³): 1,045,928,739,653,776,441
Divisor count: 2
σ(n) — sum of divisors: 1,015,082
φ(n) — Euler's totient: 1,015,080

Primality

1,015,081 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1015081

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,015,081)

1 × 1015081

First multiples

1,015,081 · 2,030,162 (double) · 3,045,243 · 4,060,324 · 5,075,405 · 6,090,486 · 7,105,567 · 8,120,648 · 9,135,729 · 10,150,810

Sums & aliquot sequence

As a sum of two squares: 360² + 941²

As consecutive integers: 507,540 + 507,541

Continued fraction of √n

√1,015,081 = [1007; (1, 1, 19, 1, 5, 1, 5, 671, 1, 1, 60, 1, 1, 3, 1, 1, 2, 223, 1, 1, 182, 1, 2, 6, …)]

Representations

In words: one million fifteen thousand eighty-one
Ordinal: 1015081st
Binary: 11110111110100101001
Octal: 3676451
Hexadecimal: 0xF7D29
Base64: D30p
One's complement: 4,293,952,214 (32-bit)
Scientific notation: 1.015081 × 10⁶
As a duration: 1,015,081 s = 11 days, 17 hours, 58 minutes, 1 second

In other bases

ternary (3) 1220120102121

quaternary (4) 3313310221

quinary (5) 224440311

senary (6) 33431241

septenary (7) 11425264

nonary (9) 1816377

undecimal (11) 633711

duodecimal (12) 40b521

tridecimal (13) 297052

tetradecimal (14) 1c5cdb

pentadecimal (15) 150b71

As an angle

1,015,081° = 2,819 × 360° + 241°

241° ≈ 4.206 rad

Compass bearing: WSW (west-southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese: 一百零一萬五千零八十一
Chinese (financial): 壹佰零壹萬伍仟零捌拾壹

In other modern scripts

Eastern Arabic ١٠١٥٠٨١ Devanagari १०१५०८१ Bengali ১০১৫০৮১ Tamil ௧௦௧௫௦௮௧ Thai ๑๐๑๕๐๘๑ Tibetan ༡༠༡༥༠༨༡ Khmer ១០១៥០៨១ Lao ໑໐໑໕໐໘໑ Burmese ၁၀၁၅၀၈၁

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,015,073 (gap of 8)
Next prime: 1,015,093 (gap of 12)

Hex color

#0F7D29

RGB(15, 125, 41)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.125.41.

Address: 0.15.125.41
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.125.41

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 1, 5081 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

5081-10-01 (MMDYYYY (US, single-digit day))
5081-01-10 (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 1,015,081 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 US1,015,081 on Google Patents ↗ Look up on USPTO ↗