Live analysis

1,012,981

1,012,981 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.).

1,012,981 (one million twelve thousand nine 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, 0xF74F5.

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

Interestingness

★ ★ ★ ★ ☆

6 notable facts · grade B

1,012,969 1,012,970 1,012,971 1,012,972 1,012,973 1,012,974 1,012,975 1,012,976 1,012,977 1,012,978 1,012,979 1,012,980 1,012,981 1,012,982 1,012,983 1,012,984 1,012,985 1,012,986 1,012,987 1,012,988 1,012,989 1,012,990 1,012,991 1,012,992 1,012,993

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 22
Digit product: 0
Digital root: 4
Palindrome: No
Bit width: 20 bits
Reversed: 1,892,101
Square (n²): 1,026,130,506,361
Cube (n³): 1,039,450,706,464,072,141
Divisor count: 2
σ(n) — sum of divisors: 1,012,982
φ(n) — Euler's totient: 1,012,980

Primality

1,012,981 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1012981

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,012,981)

1 × 1012981

First multiples

1,012,981 · 2,025,962 (double) · 3,038,943 · 4,051,924 · 5,064,905 · 6,077,886 · 7,090,867 · 8,103,848 · 9,116,829 · 10,129,810

Sums & aliquot sequence

As a sum of two squares: 375² + 934²

As consecutive integers: 506,490 + 506,491

Continued fraction of √n

√1,012,981 = [1006; (2, 7, 1, 2, 1, 1, 10, 13, 16, 6, 2, 1, 2, 2, 5, 4, 1, 1, 1, 1, 4, 4, 7, 1, …)]

Representations

In words: one million twelve thousand nine hundred eighty-one
Ordinal: 1012981st
Binary: 11110111010011110101
Octal: 3672365
Hexadecimal: 0xF74F5
Base64: D3T1
One's complement: 4,293,954,314 (32-bit)
Scientific notation: 1.012981 × 10⁶
As a duration: 1,012,981 s = 11 days, 17 hours, 23 minutes, 1 second

In other bases

ternary (3) 1220110112211

quaternary (4) 3313103311

quinary (5) 224403411

senary (6) 33413421

septenary (7) 11416204

nonary (9) 1813484

undecimal (11) 632082

duodecimal (12) 40a271

tridecimal (13) 2960c8

tetradecimal (14) 1c523b

pentadecimal (15) 150221

As an angle

1,012,981° = 2,813 × 360° + 301°

301° ≈ 5.253 rad

Compass bearing: WNW (west-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Chinese: 一百零一萬二千九百八十一
Chinese (financial): 壹佰零壹萬貳仟玖佰捌拾壹

In other modern scripts

Eastern Arabic ١٠١٢٩٨١ Devanagari १०१२९८१ Bengali ১০১২৯৮১ Tamil ௧௦௧௨௯௮௧ Thai ๑๐๑๒๙๘๑ Tibetan ༡༠༡༢༩༨༡ Khmer ១០១២៩៨១ Lao ໑໐໑໒໙໘໑ Burmese ၁၀၁၂၉၈၁

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,012,967 (gap of 14)
Next prime: 1,012,993 (gap of 12)

Hex color

#0F74F5

RGB(15, 116, 245)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.116.245.

Address: 0.15.116.245
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.116.245

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

Possible date

Could be parsed as a date. Most likely interpretation: Monday, January 1, 2981 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

2981-10-01 (MMDYYYY (US, single-digit day))
2981-01-10 (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 1,012,981 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 US1,012,981 on Google Patents ↗ Look up on USPTO ↗