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173,121

173,121 is a composite number, odd.

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.).

173,121 (one hundred seventy-three thousand one hundred twenty-one) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 13 × 23 × 193. Written other ways, in hexadecimal, 0x2A441.

Arithmetic Number Cube-Free Deficient Number Evil Number Self Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
15
Digit product
42
Digital root
6
Palindrome
No
Bit width
18 bits
Reversed
121,371
Square (n²)
29,970,880,641
Cube (n³)
5,188,588,827,450,561
Divisor count
16
σ(n) — sum of divisors
260,736
φ(n) — Euler's totient
101,376
Sum of prime factors
232

Primality

Prime factorization: 3 × 13 × 23 × 193

Nearest primes: 173,099 (−22) · 173,137 (+16)

Divisors & multiples

All divisors (16)
1 · 3 · 13 · 23 · 39 · 69 · 193 · 299 · 579 · 897 · 2509 · 4439 · 7527 · 13317 · 57707 · 173121
Aliquot sum (sum of proper divisors): 87,615
Factor pairs (a × b = 173,121)
1 × 173121
3 × 57707
13 × 13317
23 × 7527
39 × 4439
69 × 2509
193 × 897
299 × 579
First multiples
173,121 · 346,242 (double) · 519,363 · 692,484 · 865,605 · 1,038,726 · 1,211,847 · 1,384,968 · 1,558,089 · 1,731,210

Sums & aliquot sequence

As consecutive integers: 86,560 + 86,561 57,706 + 57,707 + 57,708 28,851 + 28,852 + 28,853 + 28,854 + 28,855 + 28,856 13,311 + 13,312 + … + 13,323
Aliquot sequence: 173,121 87,615 85,185 66,495 62,529 25,311 15,009 5,007 1,673 247 33 15 9 4 3 1 0 — terminates at zero

Continued fraction of √n

√173,121 = [416; (12, 1, 4, 33, 12, 33, 4, 1, 12, 832)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
one hundred seventy-three thousand one hundred twenty-one
Ordinal
173121st
Binary
101010010001000001
Octal
522101
Hexadecimal
0x2A441
Base64
AqRB
One's complement
4,294,794,174 (32-bit)
Scientific notation
1.73121 × 10⁵
As a duration
173,121 s = 2 days, 5 minutes, 21 seconds
In other bases
ternary (3) 22210110220
quaternary (4) 222101001
quinary (5) 21014441
senary (6) 3413253
septenary (7) 1320504
nonary (9) 283426
undecimal (11) 109083
duodecimal (12) 84229
tridecimal (13) 60a50
tetradecimal (14) 4713b
pentadecimal (15) 36466

As an angle

173,121° = 480 × 360° + 321°
321° ≈ 5.603 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ρογρκαʹ
Chinese
一十七萬三千一百二十一
Chinese (financial)
壹拾柒萬參仟壹佰貳拾壹
In other modern scripts
Eastern Arabic ١٧٣١٢١ Devanagari १७३१२१ Bengali ১৭৩১২১ Tamil ௧௭௩௧௨௧ Thai ๑๗๓๑๒๑ Tibetan ༡༧༣༡༢༡ Khmer ១៧៣១២១ Lao ໑໗໓໑໒໑ Burmese ၁၇၃၁၂၁

Also seen as

Unicode codepoint
𪑁
CJK Unified Ideograph-2A441
U+2A441
Other letter (Lo)

UTF-8 encoding: F0 AA 91 81 (4 bytes).

Hex color
#02A441
RGB(2, 164, 65)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.2.164.65.

Address
0.2.164.65
Class
reserved
IPv4-mapped IPv6
::ffff:0.2.164.65

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 173,121 and was likely granted around 1874.

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

Related reading