Live analysis

1,018,121

1,018,121 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.).

1,018,121 (one million eighteen thousand one hundred twenty-one) is an odd 7-digit number. It is a composite number with 4 divisors, and factors as 13 × 78,317. Written other ways, in hexadecimal, 0xF8909.

Arithmetic Number Cube-Free Deficient Number Odious Number Semiprime Squarefree

Interestingness

★ ★ ☆ ☆ ☆

4 notable facts · grade D

1,018,109 1,018,110 1,018,111 1,018,112 1,018,113 1,018,114 1,018,115 1,018,116 1,018,117 1,018,118 1,018,119 1,018,120 1,018,121 1,018,122 1,018,123 1,018,124 1,018,125 1,018,126 1,018,127 1,018,128 1,018,129 1,018,130 1,018,131 1,018,132 1,018,133

less more

Properties

Parity: Odd
Digit count: 7
Digit sum: 14
Digit product: 0
Digital root: 5
Palindrome: No
Bit width: 20 bits
Reversed: 1,218,101
Square (n²): 1,036,570,370,641
Cube (n³): 1,055,354,062,327,385,561
Divisor count: 4
σ(n) — sum of divisors: 1,096,452
φ(n) — Euler's totient: 939,792
Sum of prime factors: 78,330

Primality

Prime factorization: 13 × 78317

Nearest primes: 1,018,109 (−12) · 1,018,123 (+2)

Divisors & multiples

All divisors (4)

1 · 13 · 78317 · 1018121

Aliquot sum (sum of proper divisors): 78,331

Factor pairs (a × b = 1,018,121)

1 × 1018121

13 × 78317

First multiples

1,018,121 · 2,036,242 (double) · 3,054,363 · 4,072,484 · 5,090,605 · 6,108,726 · 7,126,847 · 8,144,968 · 9,163,089 · 10,181,210

Sums & aliquot sequence

As a sum of two squares: 200² + 989² = 565² + 836²

As consecutive integers: 509,060 + 509,061 78,311 + 78,312 + … + 78,323 39,146 + 39,147 + … + 39,171

Aliquot sequence: 1,018,121 → 78,331 → 7,133 → 1,027 → 93 → 35 → 13 → 1 → 0 — terminates at zero

Continued fraction of √n

√1,018,121 = [1009; (50, 2, 4, 1, 1, 4, 2, 50, 2018)]

Period length 9 — the block in parentheses repeats forever.

Representations

In words: one million eighteen thousand one hundred twenty-one
Ordinal: 1018121st
Binary: 11111000100100001001
Octal: 3704411
Hexadecimal: 0xF8909
Base64: D4kJ
One's complement: 4,293,949,174 (32-bit)
Scientific notation: 1.018121 × 10⁶
As a duration: 1,018,121 s = 11 days, 18 hours, 48 minutes, 41 seconds

In other bases

ternary (3) 1220201121012

quaternary (4) 3320210021

quinary (5) 230034441

senary (6) 33453305

septenary (7) 11440166

nonary (9) 1821535

undecimal (11) 635a25

duodecimal (12) 411235

tridecimal (13) 298550

tetradecimal (14) 1c706d

pentadecimal (15) 1519eb

As an angle

1,018,121° = 2,828 × 360° + 41°

41° ≈ 0.716 rad

Compass bearing: NE (northeast)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic: 𓁨𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
Chinese: 一百零一萬八千一百二十一
Chinese (financial): 壹佰零壹萬捌仟壹佰貳拾壹

In other modern scripts

Eastern Arabic ١٠١٨١٢١ Devanagari १०१८१२१ Bengali ১০১৮১২১ Tamil ௧௦௧௮௧௨௧ Thai ๑๐๑๘๑๒๑ Tibetan ༡༠༡༨༡༢༡ Khmer ១០១៨១២១ Lao ໑໐໑໘໑໒໑ Burmese ၁၀၁၈၁၂၁

Also seen as

Hex color

#0F8909

RGB(15, 137, 9)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.137.9.

Address: 0.15.137.9
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.137.9

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

Possible date

Could be parsed as a date. Most likely interpretation: Wednesday, January 1, 8121 (MDDYYYY (US, single-digit month)).

Other possible interpretations (2)

8121-10-01 (MMDYYYY (US, single-digit day))
8121-01-10 (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 1,018,121 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 US1,018,121 on Google Patents ↗ Look up on USPTO ↗