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167,840

167,840 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.).

167,840 (one hundred sixty-seven thousand eight hundred forty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 5 × 1,049. Its proper divisors sum to 229,060, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x28FA0.

Abundant Number Evil Number Gapful Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
26
Digit product
0
Digital root
8
Palindrome
No
Bit width
18 bits
Reversed
48,761
Square (n²)
28,170,265,600
Cube (n³)
4,728,097,378,304,000
Divisor count
24
σ(n) — sum of divisors
396,900
φ(n) — Euler's totient
67,072
Sum of prime factors
1,064

Primality

Prime factorization: 2 5 × 5 × 1049

Nearest primes: 167,809 (−31) · 167,861 (+21)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 5 · 8 · 10 · 16 · 20 · 32 · 40 · 80 · 160 · 1049 · 2098 · 4196 · 5245 · 8392 · 10490 · 16784 · 20980 · 33568 · 41960 · 83920 (half) · 167840
Aliquot sum (sum of proper divisors): 229,060
Factor pairs (a × b = 167,840)
1 × 167840
2 × 83920
4 × 41960
5 × 33568
8 × 20980
10 × 16784
16 × 10490
20 × 8392
32 × 5245
40 × 4196
80 × 2098
160 × 1049
First multiples
167,840 · 335,680 (double) · 503,520 · 671,360 · 839,200 · 1,007,040 · 1,174,880 · 1,342,720 · 1,510,560 · 1,678,400

Sums & aliquot sequence

As a sum of two squares: 68² + 404² = 188² + 364²
As consecutive integers: 33,566 + 33,567 + 33,568 + 33,569 + 33,570 2,591 + 2,592 + … + 2,654 365 + 366 + … + 684
Aliquot sequence: 167,840 229,060 289,556 221,164 165,880 287,720 359,740 395,756 296,824 310,496 322,528 312,512 342,808 309,872 299,464 335,576 293,644 — unresolved within range

Continued fraction of √n

√167,840 = [409; (1, 2, 6, 1, 1, 4, 3, 4, 1, 4, 3, 1, 1, 1, 1, 11, 1, 203, 1, 11, 1, 1, 1, 1, …)]

Period length 36 — the block in parentheses repeats forever.

Representations

In words
one hundred sixty-seven thousand eight hundred forty
Ordinal
167840th
Binary
101000111110100000
Octal
507640
Hexadecimal
0x28FA0
Base64
Ao+g
One's complement
4,294,799,455 (32-bit)
Scientific notation
1.6784 × 10⁵
As a duration
167,840 s = 1 day, 22 hours, 37 minutes, 20 seconds
In other bases
ternary (3) 22112020022
quaternary (4) 220332200
quinary (5) 20332330
senary (6) 3333012
septenary (7) 1266221
nonary (9) 275208
undecimal (11) 105112
duodecimal (12) 81168
tridecimal (13) 5b51a
tetradecimal (14) 45248
pentadecimal (15) 34ae5

As an angle

167,840° = 466 × 360° + 80°
80° ≈ 1.396 rad
Compass bearing: E (east)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆
Greek (Milesian)
͵ρξζωμʹ
Chinese
一十六萬七千八百四十
Chinese (financial)
壹拾陸萬柒仟捌佰肆拾
In other modern scripts
Eastern Arabic ١٦٧٨٤٠ Devanagari १६७८४० Bengali ১৬৭৮৪০ Tamil ௧௬௭௮௪௦ Thai ๑๖๗๘๔๐ Tibetan ༡༦༧༨༤༠ Khmer ១៦៧៨៤០ Lao ໑໖໗໘໔໐ Burmese ၁၆၇၈၄၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 167840, here are decompositions:

  • 31 + 167809 = 167840
  • 61 + 167779 = 167840
  • 157 + 167683 = 167840
  • 163 + 167677 = 167840
  • 199 + 167641 = 167840
  • 229 + 167611 = 167840
  • 349 + 167491 = 167840
  • 397 + 167443 = 167840

Showing the first eight; more decompositions exist.

Unicode codepoint
𨾠
CJK Unified Ideograph-28Fa0
U+28FA0
Other letter (Lo)

UTF-8 encoding: F0 A8 BE A0 (4 bytes).

Hex color
#028FA0
RGB(2, 143, 160)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.143.160.

Address
0.2.143.160
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.143.160

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 167,840 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 167840 first appears in π at position 683,490 of the decimal expansion (the 683,490ordinal-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°.