Live analysis

1,021,025

1,021,025 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.).

1,021,025 (one million twenty-one thousand twenty-five) is an odd 7-digit number. It is a composite number with 6 divisors, and factors as 5² × 40,841. Written other ways, in hexadecimal, 0xF9461.

Arithmetic Number Cube-Free Deficient Number Evil Number

Interestingness

★ ☆ ☆ ☆ ☆

2 notable facts · grade F

1,021,013 1,021,014 1,021,015 1,021,016 1,021,017 1,021,018 1,021,019 1,021,020 1,021,021 1,021,022 1,021,023 1,021,024 1,021,025 1,021,026 1,021,027 1,021,028 1,021,029 1,021,030 1,021,031 1,021,032 1,021,033 1,021,034 1,021,035 1,021,036 1,021,037

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 11
Digit product: 0
Digital root: 2
Palindrome: No
Bit width: 20 bits
Reversed: 5,201,201
Square (n²): 1,042,492,050,625
Cube (n³): 1,064,410,445,989,390,625
Divisor count: 6
σ(n) — sum of divisors: 1,266,102
φ(n) — Euler's totient: 816,800
Sum of prime factors: 40,851

Primality

Prime factorization: 5 ² × 40841

Nearest primes: 1,021,019 (−6) · 1,021,043 (+18)

Divisors & multiples

All divisors (6)

1 · 5 · 25 · 40841 · 204205 · 1021025

Aliquot sum (sum of proper divisors): 245,077

Factor pairs (a × b = 1,021,025)

1 × 1021025

5 × 204205

25 × 40841

First multiples

1,021,025 · 2,042,050 (double) · 3,063,075 · 4,084,100 · 5,105,125 · 6,126,150 · 7,147,175 · 8,168,200 · 9,189,225 · 10,210,250

Sums & aliquot sequence

As a sum of two squares: 145² + 1,000² = 484² + 887² = 713² + 716²

As consecutive integers: 510,512 + 510,513 204,203 + 204,204 + 204,205 + 204,206 + 204,207 102,098 + 102,099 + … + 102,107 40,829 + 40,830 + … + 40,853

Aliquot sequence: 1,021,025 → 245,077 → 38,059 → 5,445 → 4,929 → 1,983 → 665 → 295 → 65 → 19 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,021,025 = [1010; (2, 5, 2, 2, 1, 9, 2, 4, 183, 2, 64, 1, 2, 4, 49, 16, 1, 2, 7, 5, 1, 3, 1, 3, …)]

Representations

In words: one million twenty-one thousand twenty-five
Ordinal: 1021025th
Binary: 11111001010001100001
Octal: 3712141
Hexadecimal: 0xF9461
Base64: D5Rh
One's complement: 4,293,946,270 (32-bit)
Scientific notation: 1.021025 × 10⁶
As a duration: 1,021,025 s = 11 days, 19 hours, 37 minutes, 5 seconds

In other bases

ternary (3) 1220212120202

quaternary (4) 3321101201

quinary (5) 230133100

senary (6) 33514545

septenary (7) 11451515

nonary (9) 1825522

undecimal (11) 638125

duodecimal (12) 412a55

tridecimal (13) 299975

tetradecimal (14) 1c8145

pentadecimal (15) 1527d5

As an angle

1,021,025° = 2,836 × 360° + 65°

65° ≈ 1.134 rad

Compass bearing: ENE (east-northeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓁨𓂍𓂍𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese: 一百零二萬一千零二十五
Chinese (financial): 壹佰零貳萬壹仟零貳拾伍

In other modern scripts

Eastern Arabic ١٠٢١٠٢٥ Devanagari १०२१०२५ Bengali ১০২১০২৫ Tamil ௧௦௨௧௦௨௫ Thai ๑๐๒๑๐๒๕ Tibetan ༡༠༢༡༠༢༥ Khmer ១០២១០២៥ Lao ໑໐໒໑໐໒໕ Burmese ၁၀၂၁၀၂၅

Also seen as

Hex color

#0F9461

RGB(15, 148, 97)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.148.97.

Address: 0.15.148.97
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.148.97

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

Possible date

Could be parsed as a date. Most likely interpretation: Sunday, January 2, 1025 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)

1025-02-01 (DMMYYYY (Euro, single-digit day))
1025-10-02 (MMDYYYY (US, single-digit day))
1025-02-10 (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 1,021,025 and was likely granted around 1912.

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

Look up US1,021,025 on Google Patents ↗ Look up on USPTO ↗