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162,080

162,080 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.).

162,080 (one hundred sixty-two thousand eighty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 5 × 1,013. Its proper divisors sum to 221,212, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x27920.

Abundant Number Gapful Number Odious Number Pernicious Number Recamán's Sequence Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
17
Digit product
0
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
80,261
Recamán's sequence
a(197,996) = 162,080
Square (n²)
26,269,926,400
Cube (n³)
4,257,829,670,912,000
Divisor count
24
σ(n) — sum of divisors
383,292
φ(n) — Euler's totient
64,768
Sum of prime factors
1,028

Primality

Prime factorization: 2 5 × 5 × 1013

Nearest primes: 162,079 (−1) · 162,091 (+11)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 5 · 8 · 10 · 16 · 20 · 32 · 40 · 80 · 160 · 1013 · 2026 · 4052 · 5065 · 8104 · 10130 · 16208 · 20260 · 32416 · 40520 · 81040 (half) · 162080
Aliquot sum (sum of proper divisors): 221,212
Factor pairs (a × b = 162,080)
1 × 162080
2 × 81040
4 × 40520
5 × 32416
8 × 20260
10 × 16208
16 × 10130
20 × 8104
32 × 5065
40 × 4052
80 × 2026
160 × 1013
First multiples
162,080 · 324,160 (double) · 486,240 · 648,320 · 810,400 · 972,480 · 1,134,560 · 1,296,640 · 1,458,720 · 1,620,800

Sums & aliquot sequence

As a sum of two squares: 172² + 364² = 188² + 356²
As consecutive integers: 32,414 + 32,415 + 32,416 + 32,417 + 32,418 2,501 + 2,502 + … + 2,564 347 + 348 + … + 666
Aliquot sequence: 162,080 221,212 179,468 134,608 133,232 148,744 130,166 70,474 36,374 22,426 11,216 10,546 5,276 3,964 2,980 3,320 4,240 — unresolved within range

Continued fraction of √n

√162,080 = [402; (1, 1, 2, 4, 2, 1, 2, 1, 9, 2, 6, 3, 2, 3, 1, 2, 10, 1, 49, 2, 2, 2, 1, 15, …)]

Representations

In words
one hundred sixty-two thousand eighty
Ordinal
162080th
Binary
100111100100100000
Octal
474440
Hexadecimal
0x27920
Base64
Ankg
One's complement
4,294,805,215 (32-bit)
Scientific notation
1.6208 × 10⁵
As a duration
162,080 s = 1 day, 21 hours, 1 minute, 20 seconds
In other bases
ternary (3) 22020022222
quaternary (4) 213210200
quinary (5) 20141310
senary (6) 3250212
septenary (7) 1243352
nonary (9) 266288
undecimal (11) 100856
duodecimal (12) 79968
tridecimal (13) 58a09
tetradecimal (14) 430d2
pentadecimal (15) 33055

As an angle

162,080° = 450 × 360° + 80°
80° ≈ 1.396 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹 𒌋𒌋
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
Greek (Milesian)
͵ρξβπʹ
Chinese
一十六萬二千零八十
Chinese (financial)
壹拾陸萬貳仟零捌拾
In other modern scripts
Eastern Arabic ١٦٢٠٨٠ Devanagari १६२०८० Bengali ১৬২০৮০ Tamil ௧௬௨௦௮௦ Thai ๑๖๒๐๘๐ Tibetan ༡༦༢༠༨༠ Khmer ១៦២០៨០ Lao ໑໖໒໐໘໐ Burmese ၁၆၂၀၈၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 162080, here are decompositions:

  • 73 + 162007 = 162080
  • 97 + 161983 = 162080
  • 103 + 161977 = 162080
  • 109 + 161971 = 162080
  • 157 + 161923 = 162080
  • 199 + 161881 = 162080
  • 211 + 161869 = 162080
  • 241 + 161839 = 162080

Showing the first eight; more decompositions exist.

Unicode codepoint
𧤠
CJK Unified Ideograph-27920
U+27920
Other letter (Lo)

UTF-8 encoding: F0 A7 A4 A0 (4 bytes).

Hex color
#027920
RGB(2, 121, 32)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.121.32.

Address
0.2.121.32
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.121.32

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 162,080 and was likely granted around 1874.

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

Position in π

The digit sequence 162080 first appears in π at position 810,088 of the decimal expansion (the 810,088ordinal-suffix:th 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°.