Live analysis

1,005,143

1,005,143 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.).

1,005,143 (one million five thousand one hundred forty-three) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF5657.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Prime Squarefree

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

1,005,131 1,005,132 1,005,133 1,005,134 1,005,135 1,005,136 1,005,137 1,005,138 1,005,139 1,005,140 1,005,141 1,005,142 1,005,143 1,005,144 1,005,145 1,005,146 1,005,147 1,005,148 1,005,149 1,005,150 1,005,151 1,005,152 1,005,153 1,005,154 1,005,155

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 14
Digit product: 0
Digital root: 5
Palindrome: No
Bit width: 20 bits
Reversed: 3,415,001
Square (n²): 1,010,312,450,449
Cube (n³): 1,015,508,487,381,659,207
Divisor count: 2
σ(n) — sum of divisors: 1,005,144
φ(n) — Euler's totient: 1,005,142

Primality

1,005,143 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1005143

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,005,143)

1 × 1005143

First multiples

1,005,143 · 2,010,286 (double) · 3,015,429 · 4,020,572 · 5,025,715 · 6,030,858 · 7,036,001 · 8,041,144 · 9,046,287 · 10,051,430

Sums & aliquot sequence

As consecutive integers: 502,571 + 502,572

Continued fraction of √n

√1,005,143 = [1002; (1, 1, 3, 6, 25, 4, 2, 76, 1, 2, 11, 1, 29, 117, 1, 10, 1, 6, 1, 7, 1, 2, 1, 2, …)]

Representations

In words: one million five thousand one hundred forty-three
Ordinal: 1005143rd
Binary: 11110101011001010111
Octal: 3653127
Hexadecimal: 0xF5657
Base64: D1ZX
One's complement: 4,293,962,152 (32-bit)
Scientific notation: 1.005143 × 10⁶
As a duration: 1,005,143 s = 11 days, 15 hours, 12 minutes, 23 seconds

In other bases

ternary (3) 1220001210112

quaternary (4) 3311121113

quinary (5) 224131033

senary (6) 33313235

septenary (7) 11354306

nonary (9) 1801715

undecimal (11) 6271a7

duodecimal (12) 40581b

tridecimal (13) 292679

tetradecimal (14) 1c243d

pentadecimal (15) 14cc48

As an angle

1,005,143° = 2,792 × 360° + 23°

23° ≈ 0.401 rad

Compass bearing: NNE (north-northeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓁨𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Chinese: 一百萬五千一百四十三
Chinese (financial): 壹佰萬伍仟壹佰肆拾參

In other modern scripts

Eastern Arabic ١٠٠٥١٤٣ Devanagari १००५१४३ Bengali ১০০৫১৪৩ Tamil ௧௦௦௫௧௪௩ Thai ๑๐๐๕๑๔๓ Tibetan ༡༠༠༥༡༤༣ Khmer ១០០៥១៤៣ Lao ໑໐໐໕໑໔໓ Burmese ၁၀၀၅၁၄၃

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,005,133 (gap of 10)
Next prime: 1,005,161 (gap of 18)

Hex color

#0F5657

RGB(15, 86, 87)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.86.87.

Address: 0.15.86.87
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.86.87

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

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 1,005,143 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 US1,005,143 on Google Patents ↗ Look up on USPTO ↗