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164,842

164,842 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.).

164,842 (one hundred sixty-four thousand eight hundred forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 82,421. Written other ways, in hexadecimal, 0x283EA.

Cube-Free Deficient Number Odious Number Semiprime Squarefree

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
25
Digit product
1,536
Digital root
7
Palindrome
No
Bit width
18 bits
Reversed
248,461
Square (n²)
27,172,884,964
Cube (n³)
4,479,232,703,235,688
Divisor count
4
σ(n) — sum of divisors
247,266
φ(n) — Euler's totient
82,420
Sum of prime factors
82,423

Primality

Prime factorization: 2 × 82421

Nearest primes: 164,839 (−3) · 164,881 (+39)

Divisors & multiples

All divisors (4)
1 · 2 · 82421 (half) · 164842
Aliquot sum (sum of proper divisors): 82,424
Factor pairs (a × b = 164,842)
1 × 164842
2 × 82421
First multiples
164,842 · 329,684 (double) · 494,526 · 659,368 · 824,210 · 989,052 · 1,153,894 · 1,318,736 · 1,483,578 · 1,648,420

Sums & aliquot sequence

As a sum of two squares: 261² + 311²
As consecutive integers: 41,209 + 41,210 + 41,211 + 41,212
Aliquot sequence: 164,842 82,424 72,136 66,104 57,856 58,766 29,386 21,014 17,386 8,696 7,624 6,686 3,346 2,414 1,474 974 490 — unresolved within range

Continued fraction of √n

√164,842 = [406; (135, 2, 1, 89, 1, 1, 3, 1, 14, 3, 1, 5, 1, 9, 5, 1, 3, 1, 1, 1, 1, 34, 1, 2, …)]

Representations

In words
one hundred sixty-four thousand eight hundred forty-two
Ordinal
164842nd
Binary
101000001111101010
Octal
501752
Hexadecimal
0x283EA
Base64
AoPq
One's complement
4,294,802,453 (32-bit)
Scientific notation
1.64842 × 10⁵
As a duration
164,842 s = 1 day, 21 hours, 47 minutes, 22 seconds
In other bases
ternary (3) 22101010021
quaternary (4) 220033222
quinary (5) 20233332
senary (6) 3311054
septenary (7) 1254406
nonary (9) 271107
undecimal (11) 102937
duodecimal (12) 7b48a
tridecimal (13) 5a052
tetradecimal (14) 44106
pentadecimal (15) 33c97

As an angle

164,842° = 457 × 360° + 322°
322° ≈ 5.62 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵ρξδωμβʹ
Chinese
一十六萬四千八百四十二
Chinese (financial)
壹拾陸萬肆仟捌佰肆拾貳
In other modern scripts
Eastern Arabic ١٦٤٨٤٢ Devanagari १६४८४२ Bengali ১৬৪৮৪২ Tamil ௧௬௪௮௪௨ Thai ๑๖๔๘๔๒ Tibetan ༡༦༤༨༤༢ Khmer ១៦៤៨៤២ Lao ໑໖໔໘໔໒ Burmese ၁၆၄၈၄၂

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 164842, here are decompositions:

  • 3 + 164839 = 164842
  • 5 + 164837 = 164842
  • 11 + 164831 = 164842
  • 53 + 164789 = 164842
  • 71 + 164771 = 164842
  • 113 + 164729 = 164842
  • 179 + 164663 = 164842
  • 311 + 164531 = 164842

Showing the first eight; more decompositions exist.

Unicode codepoint
𨏪
CJK Unified Ideograph-283Ea
U+283EA
Other letter (Lo)

UTF-8 encoding: F0 A8 8F AA (4 bytes).

Hex color
#0283EA
RGB(2, 131, 234)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.131.234.

Address
0.2.131.234
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.131.234

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 164,842 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 164842 first appears in π at position 581,102 of the decimal expansion (the 581,102ordinal-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°.