Live analysis

1,001,385

1,001,385 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.).

1,001,385 (one million one thousand three hundred eighty-five) is an odd 7-digit number. It is a composite number with 72 divisors, and factors as 3² × 5 × 7 × 11 × 17². Its proper divisors sum to 1,297,431, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF47A9.

Abundant Number Arithmetic Number Cube-Free Evil Number Gapful Number Happy Number Weird Number

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

1,001,373 1,001,374 1,001,375 1,001,376 1,001,377 1,001,378 1,001,379 1,001,380 1,001,381 1,001,382 1,001,383 1,001,384 1,001,385 1,001,386 1,001,387 1,001,388 1,001,389 1,001,390 1,001,391 1,001,392 1,001,393 1,001,394 1,001,395 1,001,396 1,001,397

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 18
Digit product: 0
Digital root: 9
Palindrome: No
Bit width: 20 bits
Reversed: 5,831,001
Square (n²): 1,002,771,918,225
Cube (n³): 1,004,160,757,331,741,625
Divisor count: 72
σ(n) — sum of divisors: 2,298,816
φ(n) — Euler's totient: 391,680
Sum of prime factors: 63

Primality

Prime factorization: 3 ² × 5 × 7 × 11 × 17 ²

Nearest primes: 1,001,381 (−4) · 1,001,387 (+2)

Divisors & multiples

All divisors (72)

1 · 3 · 5 · 7 · 9 · 11 · 15 · 17 · 21 · 33 · 35 · 45 · 51 · 55 · 63 · 77 · 85 · 99 · 105 · 119 · 153 · 165 · 187 · 231 · 255 · 289 · 315 · 357 · 385 · 495 · 561 · 595 · 693 · 765 · 867 · 935 · 1071 · 1155 · 1309 · 1445 · 1683 · 1785 · 2023 · 2601 · 2805 · 3179 · 3465 · 3927 · 4335 · 5355 · 6069 · 6545 · 8415 · 9537 · 10115 · 11781 · 13005 · 15895 · 18207 · 19635 · 22253 · 28611 · 30345 · 47685 · 58905 · 66759 · 91035 · 111265 · 143055 · 200277 · 333795 · 1001385

Aliquot sum (sum of proper divisors): 1,297,431

Factor pairs (a × b = 1,001,385)

1 × 1001385

3 × 333795

5 × 200277

7 × 143055

9 × 111265

11 × 91035

15 × 66759

17 × 58905

21 × 47685

33 × 30345

35 × 28611

45 × 22253

51 × 19635

55 × 18207

63 × 15895

77 × 13005

85 × 11781

99 × 10115

105 × 9537

119 × 8415

153 × 6545

165 × 6069

187 × 5355

231 × 4335

255 × 3927

289 × 3465

315 × 3179

357 × 2805

385 × 2601

495 × 2023

561 × 1785

595 × 1683

693 × 1445

765 × 1309

867 × 1155

935 × 1071

First multiples

1,001,385 · 2,002,770 (double) · 3,004,155 · 4,005,540 · 5,006,925 · 6,008,310 · 7,009,695 · 8,011,080 · 9,012,465 · 10,013,850

Sums & aliquot sequence

As consecutive integers: 500,692 + 500,693 333,794 + 333,795 + 333,796 200,275 + 200,276 + 200,277 + 200,278 + 200,279 166,895 + 166,896 + 166,897 + 166,898 + 166,899 + 166,900

Aliquot sequence: 1,001,385 → 1,297,431 → 692,169 → 250,551 → 177,513 → 98,967 → 45,033 → 18,615 → 13,353 → 4,455 → 4,257 → 2,607 → 1,233 → 561 → 303 → 105 → 87 — unresolved within range

Continued fraction of √n

√1,001,385 = [1000; (1, 2, 4, 124, 1, 5, 1, 13, 1, 30, 2, 1, 19, 6, 1, 6, 1, 23, 1, 5, 11, 1, 1, 6, …)]

Representations

In words: one million one thousand three hundred eighty-five
Ordinal: 1001385th
Binary: 11110100011110101001
Octal: 3643651
Hexadecimal: 0xF47A9
Base64: D0ep
One's complement: 4,293,965,910 (32-bit)
Scientific notation: 1.001385 × 10⁶
As a duration: 1,001,385 s = 11 days, 14 hours, 9 minutes, 45 seconds

In other bases

ternary (3) 1212212122100

quaternary (4) 3310132221

quinary (5) 224021020

senary (6) 33244013

septenary (7) 11340330

nonary (9) 1785570

undecimal (11) 6243a0

duodecimal (12) 403609

tridecimal (13) 290a48

tetradecimal (14) 1c0d17

pentadecimal (15) 14ba90

As an angle

1,001,385° = 2,781 × 360° + 225°

225° ≈ 3.927 rad

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓁨𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Chinese: 一百萬一千三百八十五
Chinese (financial): 壹佰萬壹仟參佰捌拾伍

In other modern scripts

Eastern Arabic ١٠٠١٣٨٥ Devanagari १००१३८५ Bengali ১০০১৩৮৫ Tamil ௧௦௦௧௩௮௫ Thai ๑๐๐๑๓๘๕ Tibetan ༡༠༠༡༣༨༥ Khmer ១០០១៣៨៥ Lao ໑໐໐໑໓໘໕ Burmese ၁၀၀၁၃၈၅

Also seen as

Hex color

#0F47A9

RGB(15, 71, 169)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.71.169.

Address: 0.15.71.169
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.71.169

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 1,001,385 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 US1,001,385 on Google Patents ↗ Look up on USPTO ↗