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105,124

105,124 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.).

105,124 (one hundred five thousand one hundred twenty-four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 41 × 641. Written other ways, in hexadecimal, 0x19AA4.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
17 bits
Reversed
421,501
Recamán's sequence
a(90,835) = 105,124
Square (n²)
11,051,055,376
Cube (n³)
1,161,731,145,346,624
Divisor count
12
σ(n) — sum of divisors
188,748
φ(n) — Euler's totient
51,200
Sum of prime factors
686

Primality

Prime factorization: 2 2 × 41 × 641

Nearest primes: 105,107 (−17) · 105,137 (+13)

Divisors & multiples

All divisors (12)
1 · 2 · 4 · 41 · 82 · 164 · 641 · 1282 · 2564 · 26281 · 52562 (half) · 105124
Aliquot sum (sum of proper divisors): 83,624
Factor pairs (a × b = 105,124)
1 × 105124
2 × 52562
4 × 26281
41 × 2564
82 × 1282
164 × 641
First multiples
105,124 · 210,248 (double) · 315,372 · 420,496 · 525,620 · 630,744 · 735,868 · 840,992 · 946,116 · 1,051,240

Sums & aliquot sequence

As a sum of two squares: 160² + 282² = 218² + 240²
As consecutive integers: 13,137 + 13,138 + … + 13,144 2,544 + 2,545 + … + 2,584 157 + 158 + … + 484
Aliquot sequence: 105,124 83,624 73,186 47,198 23,602 11,804 10,540 13,652 10,246 5,594 2,800 4,888 5,192 5,608 4,922 2,854 1,430 — unresolved within range

Continued fraction of √n

√105,124 = [324; (4, 2, 1, 1, 1, 2, 1, 1, 4, 2, 17, 1, 1, 3, 1, 1, 5, 1, 11, 1, 6, 1, 1, 7, …)]

Representations

In words
one hundred five thousand one hundred twenty-four
Ordinal
105124th
Binary
11001101010100100
Octal
315244
Hexadecimal
0x19AA4
Base64
AZqk
One's complement
4,294,862,171 (32-bit)
Scientific notation
1.05124 × 10⁵
As a duration
105,124 s = 1 day, 5 hours, 12 minutes, 4 seconds
In other bases
ternary (3) 12100012111
quaternary (4) 121222210
quinary (5) 11330444
senary (6) 2130404
septenary (7) 615325
nonary (9) 170174
undecimal (11) 71a88
duodecimal (12) 50a04
tridecimal (13) 38b06
tetradecimal (14) 2a44c
pentadecimal (15) 21234

As an angle

105,124° = 292 × 360° + 4°
4° ≈ 0.07 rad
Compass bearing: N (north)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρερκδʹ
Mayan (base 20)
𝋭·𝋢·𝋰·𝋤
Chinese
一十萬五千一百二十四
Chinese (financial)
壹拾萬伍仟壹佰貳拾肆
In other modern scripts
Eastern Arabic ١٠٥١٢٤ Devanagari १०५१२४ Bengali ১০৫১২৪ Tamil ௧௦௫௧௨௪ Thai ๑๐๕๑๒๔ Tibetan ༡༠༥༡༢༤ Khmer ១០៥១២៤ Lao ໑໐໕໑໒໔ Burmese ၁၀၅၁၂၄

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 105124, here are decompositions:

  • 17 + 105107 = 105124
  • 53 + 105071 = 105124
  • 101 + 105023 = 105124
  • 137 + 104987 = 105124
  • 191 + 104933 = 105124
  • 233 + 104891 = 105124
  • 293 + 104831 = 105124
  • 401 + 104723 = 105124

Showing the first eight; more decompositions exist.

Hex color
#019AA4
RGB(1, 154, 164)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.154.164.

Address
0.1.154.164
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.154.164

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 105,124 and was likely granted around 1870.

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

Position in π

The digit sequence 105124 first appears in π at position 280,574 of the decimal expansion (the 280,574ordinal-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