Live analysis

1,042,842

1,042,842 is a composite number, even.

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.).

1,042,842 (one million forty-two thousand eight hundred forty-two) is an even 7-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 173,807. Its proper divisors sum to 1,042,854, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xFE99A.

Abundant Number Arithmetic Number Cube-Free Odious Number Pernicious Number Semiperfect Number Sphenic Number Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

1,042,830 1,042,831 1,042,832 1,042,833 1,042,834 1,042,835 1,042,836 1,042,837 1,042,838 1,042,839 1,042,840 1,042,841 1,042,842 1,042,843 1,042,844 1,042,845 1,042,846 1,042,847 1,042,848 1,042,849 1,042,850 1,042,851 1,042,852 1,042,853 1,042,854

less more

Properties

Parity: Even
Digit count: 7
Digit sum: 21
Digit product: 0
Digital root: 3
Palindrome: No
Bit width: 20 bits
Reversed: 2,482,401
Square (n²): 1,087,519,436,964
Cube (n³): 1,134,110,944,682,411,688
Divisor count: 8
σ(n) — sum of divisors: 2,085,696
φ(n) — Euler's totient: 347,612
Sum of prime factors: 173,812

Primality

Prime factorization: 2 × 3 × 173807

Nearest primes: 1,042,837 (−5) · 1,042,849 (+7)

Divisors & multiples

All divisors (8)

1 · 2 · 3 · 6 · 173807 · 347614 · 521421 (half) · 1042842

Aliquot sum (sum of proper divisors): 1,042,854

Factor pairs (a × b = 1,042,842)

1 × 1042842

2 × 521421

3 × 347614

6 × 173807

First multiples

1,042,842 · 2,085,684 (double) · 3,128,526 · 4,171,368 · 5,214,210 · 6,257,052 · 7,299,894 · 8,342,736 · 9,385,578 · 10,428,420

Sums & aliquot sequence

As consecutive integers: 347,613 + 347,614 + 347,615 260,709 + 260,710 + 260,711 + 260,712 86,898 + 86,899 + … + 86,909

Aliquot sequence: 1,042,842 → 1,042,854 → 1,056,666 → 1,523,814 → 1,523,826 → 1,862,574 → 2,470,482 → 3,758,364 → 5,742,036 → 9,355,564 → 7,063,860 → 12,715,116 → 18,978,420 → 34,965,708 → 48,519,540 → 110,408,460 → 199,684,596 — unresolved within range

Continued fraction of √n

√1,042,842 = [1021; (5, 10, 1, 3, 1, 1, 3, 1, 3, 1, 1, 6, 5, 2, 23, 3, 2, 2, 2, 1, 1, 1, 2, 1, …)]

Representations

In words: one million forty-two thousand eight hundred forty-two
Ordinal: 1042842nd
Binary: 11111110100110011010
Octal: 3764632
Hexadecimal: 0xFE99A
Base64: D+ma
One's complement: 4,293,924,453 (32-bit)
Scientific notation: 1.042842 × 10⁶
As a duration: 1,042,842 s = 12 days, 1 hour, 40 minutes, 42 seconds

In other bases

ternary (3) 1221222111210

quaternary (4) 3332212122

quinary (5) 231332332

senary (6) 34203550

septenary (7) 11602233

nonary (9) 1858453

undecimal (11) 652559

duodecimal (12) 4235b6

tridecimal (13) 2a6888

tetradecimal (14) 1d208a

pentadecimal (15) 158ecc

As an angle

1,042,842° = 2,896 × 360° + 282°

282° ≈ 4.922 rad

Compass bearing: WNW (west-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
Egyptian hieroglyphic: 𓁨𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Chinese: 一百零四萬二千八百四十二
Chinese (financial): 壹佰零肆萬貳仟捌佰肆拾貳

In other modern scripts

Eastern Arabic ١٠٤٢٨٤٢ Devanagari १०४२८४२ Bengali ১০৪২৮৪২ Tamil ௧௦௪௨௮௪௨ Thai ๑๐๔๒๘๔๒ Tibetan ༡༠༤༢༨༤༢ Khmer ១០៤២៨៤២ Lao ໑໐໔໒໘໔໒ Burmese ၁၀၄၂၈၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 1042842, here are decompositions:

5 + 1042837 = 1042842
13 + 1042829 = 1042842
23 + 1042819 = 1042842
43 + 1042799 = 1042842
61 + 1042781 = 1042842
83 + 1042759 = 1042842
109 + 1042733 = 1042842
139 + 1042703 = 1042842

Showing the first eight; more decompositions exist.

Hex color

#0FE99A

RGB(15, 233, 154)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.233.154.

Address: 0.15.233.154
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.233.154

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

Possible date

Could be parsed as a date. Most likely interpretation: Saturday, January 4, 2842 (MDDYYYY (US, single-digit month)).

Other possible interpretations (3)

2842-04-01 (DMMYYYY (Euro, single-digit day))
2842-10-04 (MMDYYYY (US, single-digit day))
2842-04-10 (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 1,042,842 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 US1,042,842 on Google Patents ↗ Look up on USPTO ↗