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123,446

123,446 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.).

123,446 (one hundred twenty-three thousand four hundred forty-six) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 61,723. Written other ways, in hexadecimal, 0x1E236.

Arithmetic Number Cube-Free Deficient Number Happy Number Odious Number Semiprime Squarefree

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
20
Digit product
576
Digital root
2
Palindrome
No
Bit width
17 bits
Reversed
644,321
Square (n²)
15,238,914,916
Cube (n³)
1,881,183,090,720,536
Divisor count
4
σ(n) — sum of divisors
185,172
φ(n) — Euler's totient
61,722
Sum of prime factors
61,725

Primality

Prime factorization: 2 × 61723

Nearest primes: 123,439 (−7) · 123,449 (+3)

Divisors & multiples

All divisors (4)
1 · 2 · 61723 (half) · 123446
Aliquot sum (sum of proper divisors): 61,726
Factor pairs (a × b = 123,446)
1 × 123446
2 × 61723
First multiples
123,446 · 246,892 (double) · 370,338 · 493,784 · 617,230 · 740,676 · 864,122 · 987,568 · 1,111,014 · 1,234,460

Sums & aliquot sequence

As consecutive integers: 30,860 + 30,861 + 30,862 + 30,863
Aliquot sequence: 123,446 61,726 44,114 35,374 20,066 10,654 7,634 4,894 2,450 2,851 1 0 — terminates at zero

Continued fraction of √n

√123,446 = [351; (2, 1, 6, 1, 1, 69, 1, 2, 1, 3, 2, 1, 1, 1, 1, 27, 2, 40, 1, 5, 2, 2, 2, 1, …)]

Representations

In words
one hundred twenty-three thousand four hundred forty-six
Ordinal
123446th
Binary
11110001000110110
Octal
361066
Hexadecimal
0x1E236
Base64
AeI2
One's complement
4,294,843,849 (32-bit)
Scientific notation
1.23446 × 10⁵
As a duration
123,446 s = 1 day, 10 hours, 17 minutes, 26 seconds
In other bases
ternary (3) 20021100002
quaternary (4) 132020312
quinary (5) 12422241
senary (6) 2351302
septenary (7) 1022621
nonary (9) 207302
undecimal (11) 84824
duodecimal (12) 5b532
tridecimal (13) 4425b
tetradecimal (14) 32db8
pentadecimal (15) 2689b

As an angle

123,446° = 342 × 360° + 326°
326° ≈ 5.69 rad
Compass bearing: NW (northwest)

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆐𓂍𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ρκγυμϛʹ
Mayan (base 20)
𝋯·𝋨·𝋬·𝋦
Chinese
一十二萬三千四百四十六
Chinese (financial)
壹拾貳萬參仟肆佰肆拾陸
In other modern scripts
Eastern Arabic ١٢٣٤٤٦ Devanagari १२३४४६ Bengali ১২৩৪৪৬ Tamil ௧௨௩௪௪௬ Thai ๑๒๓๔๔๖ Tibetan ༡༢༣༤༤༦ Khmer ១២៣៤៤៦ Lao ໑໒໓໔໔໖ Burmese ၁၂၃၄၄၆

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 123446, here are decompositions:

  • 7 + 123439 = 123446
  • 13 + 123433 = 123446
  • 19 + 123427 = 123446
  • 67 + 123379 = 123446
  • 73 + 123373 = 123446
  • 139 + 123307 = 123446
  • 157 + 123289 = 123446
  • 229 + 123217 = 123446

Showing the first eight; more decompositions exist.

Hex color
#01E236
RGB(1, 226, 54)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.226.54.

Address
0.1.226.54
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.226.54

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 123,446 and was likely granted around 1871.

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

Related reading

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