Live analysis

1,015,481

1,015,481 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.).

1,015,481 (one million fifteen thousand four hundred eighty-one) is an odd 7-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xF7EB9.

Arithmetic Number Chen Prime Cube-Free Deficient Number Odious Number Prime Pythagorean Prime Squarefree

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

1,015,469 1,015,470 1,015,471 1,015,472 1,015,473 1,015,474 1,015,475 1,015,476 1,015,477 1,015,478 1,015,479 1,015,480 1,015,481 1,015,482 1,015,483 1,015,484 1,015,485 1,015,486 1,015,487 1,015,488 1,015,489 1,015,490 1,015,491 1,015,492 1,015,493

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 20
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 20 bits
Reversed: 1,845,101
Square (n²): 1,031,201,661,361
Cube (n³): 1,047,165,694,280,529,641
Divisor count: 2
σ(n) — sum of divisors: 1,015,482
φ(n) — Euler's totient: 1,015,480

Primality

1,015,481 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1015481

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,015,481)

1 × 1015481

First multiples

1,015,481 · 2,030,962 (double) · 3,046,443 · 4,061,924 · 5,077,405 · 6,092,886 · 7,108,367 · 8,123,848 · 9,139,329 · 10,154,810

Sums & aliquot sequence

As a sum of two squares: 491² + 880²

As consecutive integers: 507,740 + 507,741

Continued fraction of √n

√1,015,481 = [1007; (1, 2, 2, 5, 2, 1, 1, 1, 2, 1, 3, 1, 5, 1, 19, 1, 12, 3, 3, 1, 14, 1, 1, 1, …)]

Representations

In words: one million fifteen thousand four hundred eighty-one
Ordinal: 1015481st
Binary: 11110111111010111001
Octal: 3677271
Hexadecimal: 0xF7EB9
Base64: D365
One's complement: 4,293,951,814 (32-bit)
Scientific notation: 1.015481 × 10⁶
As a duration: 1,015,481 s = 11 days, 18 hours, 4 minutes, 41 seconds

In other bases

ternary (3) 1220120222102

quaternary (4) 3313322321

quinary (5) 224443411

senary (6) 33433145

septenary (7) 11426405

nonary (9) 1816872

undecimal (11) 633a45

duodecimal (12) 40b7b5

tridecimal (13) 29729c

tetradecimal (14) 1c6105

pentadecimal (15) 150d3b

As an angle

1,015,481° = 2,820 × 360° + 281°

281° ≈ 4.904 rad

Compass bearing: W (west)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese: 一百零一萬五千四百八十一
Chinese (financial): 壹佰零壹萬伍仟肆佰捌拾壹

In other modern scripts

Eastern Arabic ١٠١٥٤٨١ Devanagari १०१५४८१ Bengali ১০১৫৪৮১ Tamil ௧௦௧௫௪௮௧ Thai ๑๐๑๕๔๘๑ Tibetan ༡༠༡༥༤༨༡ Khmer ១០១៥៤៨១ Lao ໑໐໑໕໔໘໑ Burmese ၁၀၁၅၄၈၁

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,015,471 (gap of 10)
Next prime: 1,015,499 (gap of 18)

Hex color

#0F7EB9

RGB(15, 126, 185)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.126.185.

Address: 0.15.126.185
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.126.185

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 1, 5481 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

5481-10-01 (MMDYYYY (US, single-digit day))
5481-01-10 (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 1,015,481 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 US1,015,481 on Google Patents ↗ Look up on USPTO ↗