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102,018

102,018 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.).

102,018 (one hundred two thousand eighteen) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 3 × 7² × 347. Its proper divisors sum to 136,014, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x18E82.

Abundant Number Arithmetic Number Cube-Free Happy Number Odious Number Pernicious Number Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
12
Digit product
0
Digital root
3
Palindrome
No
Bit width
17 bits
Reversed
810,201
Square (n²)
10,407,672,324
Cube (n³)
1,061,769,915,149,832
Divisor count
24
σ(n) — sum of divisors
238,032
φ(n) — Euler's totient
29,064
Sum of prime factors
366

Primality

Prime factorization: 2 × 3 × 7 2 × 347

Nearest primes: 102,013 (−5) · 102,019 (+1)

Divisors & multiples

All divisors (24)
1 · 2 · 3 · 6 · 7 · 14 · 21 · 42 · 49 · 98 · 147 · 294 · 347 · 694 · 1041 · 2082 · 2429 · 4858 · 7287 · 14574 · 17003 · 34006 · 51009 (half) · 102018
Aliquot sum (sum of proper divisors): 136,014
Factor pairs (a × b = 102,018)
1 × 102018
2 × 51009
3 × 34006
6 × 17003
7 × 14574
14 × 7287
21 × 4858
42 × 2429
49 × 2082
98 × 1041
147 × 694
294 × 347
First multiples
102,018 · 204,036 (double) · 306,054 · 408,072 · 510,090 · 612,108 · 714,126 · 816,144 · 918,162 · 1,020,180

Sums & aliquot sequence

As consecutive integers: 34,005 + 34,006 + 34,007 25,503 + 25,504 + 25,505 + 25,506 14,571 + 14,572 + … + 14,577 8,496 + 8,497 + … + 8,507
Aliquot sequence: 102,018 136,014 136,026 195,174 288,426 299,958 299,970 581,310 969,570 2,178,270 3,485,466 4,395,654 5,372,586 6,268,056 9,402,144 15,955,104 31,400,736 — unresolved within range

Continued fraction of √n

√102,018 = [319; (2, 2, 15, 5, 1, 1, 5, 1, 36, 1, 2, 1, 2, 3, 4, 12, 1, 4, 9, 2, 9, 1, 4, 1, …)]

Representations

In words
one hundred two thousand eighteen
Ordinal
102018th
Binary
11000111010000010
Octal
307202
Hexadecimal
0x18E82
Base64
AY6C
One's complement
4,294,865,277 (32-bit)
Scientific notation
1.02018 × 10⁵
As a duration
102,018 s = 1 day, 4 hours, 20 minutes, 18 seconds
In other bases
ternary (3) 12011221110
quaternary (4) 120322002
quinary (5) 11231033
senary (6) 2104150
septenary (7) 603300
nonary (9) 164843
undecimal (11) 6a714
duodecimal (12) 4b056
tridecimal (13) 37587
tetradecimal (14) 29270
pentadecimal (15) 20363

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆼𓆼𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρβιηʹ
Mayan (base 20)
𝋬·𝋯·𝋠·𝋲
Chinese
一十萬二千零一十八
Chinese (financial)
壹拾萬貳仟零壹拾捌
In other modern scripts
Eastern Arabic ١٠٢٠١٨ Devanagari १०२०१८ Bengali ১০২০১৮ Tamil ௧௦௨௦௧௮ Thai ๑๐๒๐๑๘ Tibetan ༡༠༢༠༡༨ Khmer ១០២០១៨ Lao ໑໐໒໐໑໘ Burmese ၁၀၂၀၁၈

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 102018, here are decompositions:

  • 5 + 102013 = 102018
  • 17 + 102001 = 102018
  • 19 + 101999 = 102018
  • 31 + 101987 = 102018
  • 41 + 101977 = 102018
  • 61 + 101957 = 102018
  • 79 + 101939 = 102018
  • 89 + 101929 = 102018

Showing the first eight; more decompositions exist.

Hex color
#018E82
RGB(1, 142, 130)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.142.130.

Address
0.1.142.130
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.142.130

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 102,018 and was likely granted around 1870.

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

Position in π

The digit sequence 102018 first appears in π at position 257,602 of the decimal expansion (the 257,602ordinal-suffix:nd 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.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.