Live analysis

988,138

988,138 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.).

988,138 (nine hundred eighty-eight thousand one hundred thirty-eight) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 494,069. Written other ways, in hexadecimal, 0xF13EA.

Cube-Free Deficient Number Evil Number Semiprime Squarefree

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

988,126 988,127 988,128 988,129 988,130 988,131 988,132 988,133 988,134 988,135 988,136 988,137 988,138 988,139 988,140 988,141 988,142 988,143 988,144 988,145 988,146 988,147 988,148 988,149 988,150

less more

Properties

Parity: Even
Digit count: 6
Digit sum: 37
Digit product: 13,824
Digital root: 1
Palindrome: No
Bit width: 20 bits
Reversed: 831,889
Square (n²): 976,416,707,044
Cube (n³): 964,834,452,065,044,072
Divisor count: 4
σ(n) — sum of divisors: 1,482,210
φ(n) — Euler's totient: 494,068
Sum of prime factors: 494,071

Primality

Prime factorization: 2 × 494069

Nearest primes: 988,129 (−9) · 988,147 (+9)

Divisors & multiples

All divisors (4)

1 · 2 · 494069 (half) · 988138

Aliquot sum (sum of proper divisors): 494,072

Factor pairs (a × b = 988,138)

1 × 988138

2 × 494069

First multiples

988,138 · 1,976,276 (double) · 2,964,414 · 3,952,552 · 4,940,690 · 5,928,828 · 6,916,966 · 7,905,104 · 8,893,242 · 9,881,380

Sums & aliquot sequence

As a sum of two squares: 343² + 933²

As consecutive integers: 247,033 + 247,034 + 247,035 + 247,036

Aliquot sequence: 988,138 → 494,072 → 440,728 → 396,272 → 371,536 → 414,128 → 533,728 → 598,760 → 748,540 → 944,900 → 1,294,540 → 1,656,884 → 1,242,670 → 1,438,610 → 1,165,486 → 1,011,794 → 722,734 — unresolved within range

Continued fraction of √n

√988,138 = [994; (19, 2, 26, 2, 1, 1, 1, 3, 4, 1, 2, 2, 2, 3, 283, 1, 2, 1, 1, 2, 4, 1, 2, 3, …)]

Representations

In words: nine hundred eighty-eight thousand one hundred thirty-eight
Ordinal: 988138th
Binary: 11110001001111101010
Octal: 3611752
Hexadecimal: 0xF13EA
Base64: DxPq
One's complement: 4,293,979,157 (32-bit)
Scientific notation: 9.88138 × 10⁵
As a duration: 988,138 s = 11 days, 10 hours, 28 minutes, 58 seconds

In other bases

ternary (3) 1212012110201

quaternary (4) 3301033222

quinary (5) 223110023

senary (6) 33102414

septenary (7) 11253604

nonary (9) 1765421

undecimal (11) 615448

duodecimal (12) 3b7a0a

tridecimal (13) 2879c8

tetradecimal (14) 1ba174

pentadecimal (15) 147bad

As an angle

988,138° = 2,744 × 360° + 298°

298° ≈ 5.201 rad

Compass bearing: WNW (west-northwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵ϡπηρληʹ
Chinese: 九十八萬八千一百三十八
Chinese (financial): 玖拾捌萬捌仟壹佰參拾捌

In other modern scripts

Eastern Arabic ٩٨٨١٣٨ Devanagari ९८८१३८ Bengali ৯৮৮১৩৮ Tamil ௯௮௮௧௩௮ Thai ๙๘๘๑๓๘ Tibetan ༩༨༨༡༣༨ Khmer ៩៨៨១៣៨ Lao ໙໘໘໑໓໘ Burmese ၉၈၈၁၃၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 988138, here are decompositions:

29 + 988109 = 988138
71 + 988067 = 988138
131 + 988007 = 988138
167 + 987971 = 988138
197 + 987941 = 988138
227 + 987911 = 988138
269 + 987869 = 988138
317 + 987821 = 988138

Showing the first eight; more decompositions exist.

Hex color

#0F13EA

RGB(15, 19, 234)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.15.19.234.

Address: 0.15.19.234
Class: reserved
IPv4-mapped IPv6: ::ffff:0.15.19.234

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 988,138 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 US988,138 on Google Patents ↗ Look up on USPTO ↗

Position in π

The digit sequence 988138 first appears in π at position 307,863 of the decimal expansion (the 307,863ordinal-suffix:rd digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.

Look up 988138 on Pi Search ↗