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122,165

122,165 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.).

122,165 (one hundred twenty-two thousand one hundred sixty-five) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 5 × 53 × 461. Written other ways, in hexadecimal, 0x1DD35.

Arithmetic Number Cube-Free Deficient Number Odious Number Pernicious Number Sphenic Number Squarefree

Interestingness

Properties

Parity
Odd
Digit count
6
Digit sum
17
Digit product
120
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
561,221
Square (n²)
14,924,287,225
Cube (n³)
1,823,225,548,842,125
Divisor count
8
σ(n) — sum of divisors
149,688
φ(n) — Euler's totient
95,680
Sum of prime factors
519

Primality

Prime factorization: 5 × 53 × 461

Nearest primes: 122,149 (−16) · 122,167 (+2)

Divisors & multiples

All divisors (8)
1 · 5 · 53 · 265 · 461 · 2305 · 24433 · 122165
Aliquot sum (sum of proper divisors): 27,523
Factor pairs (a × b = 122,165)
1 × 122165
5 × 24433
53 × 2305
265 × 461
First multiples
122,165 · 244,330 (double) · 366,495 · 488,660 · 610,825 · 732,990 · 855,155 · 977,320 · 1,099,485 · 1,221,650

Sums & aliquot sequence

As a sum of two squares: 89² + 338² = 103² + 334² = 118² + 329² = 217² + 274²
As consecutive integers: 61,082 + 61,083 24,431 + 24,432 + 24,433 + 24,434 + 24,435 12,212 + 12,213 + … + 12,221 2,279 + 2,280 + … + 2,331
Aliquot sequence: 122,165 27,523 1,637 1 0 — terminates at zero

Continued fraction of √n

√122,165 = [349; (1, 1, 11, 2, 1, 7, 174, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 174, 7, 1, 2, 11, …)]

Period length 27 — the block in parentheses repeats forever.

Representations

In words
one hundred twenty-two thousand one hundred sixty-five
Ordinal
122165th
Binary
11101110100110101
Octal
356465
Hexadecimal
0x1DD35
Base64
Ad01
One's complement
4,294,845,130 (32-bit)
Scientific notation
1.22165 × 10⁵
As a duration
122,165 s = 1 day, 9 hours, 56 minutes, 5 seconds
In other bases
ternary (3) 20012120122
quaternary (4) 131310311
quinary (5) 12402130
senary (6) 2341325
septenary (7) 1016111
nonary (9) 205518
undecimal (11) 8386a
duodecimal (12) 5a845
tridecimal (13) 437b4
tetradecimal (14) 32741
pentadecimal (15) 262e5

As an angle

122,165° = 339 × 360° + 125°
125° ≈ 2.182 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρκβρξεʹ
Mayan (base 20)
𝋯·𝋥·𝋨·𝋥
Chinese
一十二萬二千一百六十五
Chinese (financial)
壹拾貳萬貳仟壹佰陸拾伍
In other modern scripts
Eastern Arabic ١٢٢١٦٥ Devanagari १२२१६५ Bengali ১২২১৬৫ Tamil ௧௨௨௧௬௫ Thai ๑๒๒๑๖๕ Tibetan ༡༢༢༡༦༥ Khmer ១២២១៦៥ Lao ໑໒໒໑໖໕ Burmese ၁၂၂၁၆၅

Also seen as

Hex color
#01DD35
RGB(1, 221, 53)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.221.53.

Address
0.1.221.53
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.221.53

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 122,165 and was likely granted around 1871.

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

Position in π

The digit sequence 122165 first appears in π at position 793,324 of the decimal expansion (the 793,324ordinal-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

  • Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.