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172,064

172,064 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.).

172,064 (one hundred seventy-two thousand sixty-four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2⁵ × 19 × 283. Its proper divisors sum to 185,776, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2A020.

Abundant Number Arithmetic Number Evil Number Practical Number Recamán's Sequence Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
18 bits
Reversed
460,271
Recamán's sequence
a(191,636) = 172,064
Square (n²)
29,606,020,096
Cube (n³)
5,094,130,241,798,144
Divisor count
24
σ(n) — sum of divisors
357,840
φ(n) — Euler's totient
81,216
Sum of prime factors
312

Primality

Prime factorization: 2 5 × 19 × 283

Nearest primes: 172,049 (−15) · 172,069 (+5)

Divisors & multiples

All divisors (24)
1 · 2 · 4 · 8 · 16 · 19 · 32 · 38 · 76 · 152 · 283 · 304 · 566 · 608 · 1132 · 2264 · 4528 · 5377 · 9056 · 10754 · 21508 · 43016 · 86032 (half) · 172064
Aliquot sum (sum of proper divisors): 185,776
Factor pairs (a × b = 172,064)
1 × 172064
2 × 86032
4 × 43016
8 × 21508
16 × 10754
19 × 9056
32 × 5377
38 × 4528
76 × 2264
152 × 1132
283 × 608
304 × 566
First multiples
172,064 · 344,128 (double) · 516,192 · 688,256 · 860,320 · 1,032,384 · 1,204,448 · 1,376,512 · 1,548,576 · 1,720,640

Sums & aliquot sequence

As consecutive integers: 9,047 + 9,048 + … + 9,065 2,657 + 2,658 + … + 2,720 467 + 468 + … + 749
Aliquot sequence: 172,064 185,776 195,896 179,944 162,776 142,444 109,556 85,744 88,352 102,160 135,548 144,004 153,916 168,644 187,516 199,780 280,028 — unresolved within range

Continued fraction of √n

√172,064 = [414; (1, 4, 6, 2, 25, 2, 6, 4, 1, 828)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
one hundred seventy-two thousand sixty-four
Ordinal
172064th
Binary
101010000000100000
Octal
520040
Hexadecimal
0x2A020
Base64
AqAg
One's complement
4,294,795,231 (32-bit)
Scientific notation
1.72064 × 10⁵
As a duration
172,064 s = 1 day, 23 hours, 47 minutes, 44 seconds
In other bases
ternary (3) 22202000202
quaternary (4) 222000200
quinary (5) 21001224
senary (6) 3404332
septenary (7) 1314434
nonary (9) 282022
undecimal (11) 108302
duodecimal (12) 836a8
tridecimal (13) 60419
tetradecimal (14) 469c4
pentadecimal (15) 35eae

As an angle

172,064° = 477 × 360° + 344°
344° ≈ 6.004 rad
Compass bearing: NNW (north-northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ροβξδʹ
Chinese
一十七萬二千零六十四
Chinese (financial)
壹拾柒萬貳仟零陸拾肆
In other modern scripts
Eastern Arabic ١٧٢٠٦٤ Devanagari १७२०६४ Bengali ১৭২০৬৪ Tamil ௧௭௨௦௬௪ Thai ๑๗๒๐๖๔ Tibetan ༡༧༢༠༦༤ Khmer ១៧២០៦៤ Lao ໑໗໒໐໖໔ Burmese ၁၇၂၀၆၄

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 172064, here are decompositions:

  • 37 + 172027 = 172064
  • 43 + 172021 = 172064
  • 127 + 171937 = 172064
  • 241 + 171823 = 172064
  • 271 + 171793 = 172064
  • 307 + 171757 = 172064
  • 331 + 171733 = 172064
  • 367 + 171697 = 172064

Showing the first eight; more decompositions exist.

Unicode codepoint
𪀠
CJK Unified Ideograph-2A020
U+2A020
Other letter (Lo)

UTF-8 encoding: F0 AA 80 A0 (4 bytes).

Hex color
#02A020
RGB(2, 160, 32)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.160.32.

Address
0.2.160.32
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.160.32

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 172,064 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 172064 first appears in π at position 377,936 of the decimal expansion (the 377,936ordinal-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°.