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130,400

130,400 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.).

130,400 (one hundred thirty thousand four hundred) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2⁵ × 5² × 163. Its proper divisors sum to 189,892, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1FD60.

Abundant Number Arithmetic Number Evil Number Gapful Number Harshad / Niven Practical Number Semiperfect Number

Interestingness

Properties

Parity
Even
Digit count
6
Digit sum
8
Digit product
0
Digital root
8
Palindrome
No
Bit width
17 bits
Reversed
4,031
Square (n²)
17,004,160,000
Cube (n³)
2,217,342,464,000,000
Divisor count
36
σ(n) — sum of divisors
320,292
φ(n) — Euler's totient
51,840
Sum of prime factors
183

Primality

Prime factorization: 2 5 × 5 2 × 163

Nearest primes: 130,399 (−1) · 130,409 (+9)

Divisors & multiples

All divisors (36)
1 · 2 · 4 · 5 · 8 · 10 · 16 · 20 · 25 · 32 · 40 · 50 · 80 · 100 · 160 · 163 · 200 · 326 · 400 · 652 · 800 · 815 · 1304 · 1630 · 2608 · 3260 · 4075 · 5216 · 6520 · 8150 · 13040 · 16300 · 26080 · 32600 · 65200 (half) · 130400
Aliquot sum (sum of proper divisors): 189,892
Factor pairs (a × b = 130,400)
1 × 130400
2 × 65200
4 × 32600
5 × 26080
8 × 16300
10 × 13040
16 × 8150
20 × 6520
25 × 5216
32 × 4075
40 × 3260
50 × 2608
80 × 1630
100 × 1304
160 × 815
163 × 800
200 × 652
326 × 400
First multiples
130,400 · 260,800 (double) · 391,200 · 521,600 · 652,000 · 782,400 · 912,800 · 1,043,200 · 1,173,600 · 1,304,000

Sums & aliquot sequence

As consecutive integers: 26,078 + 26,079 + 26,080 + 26,081 + 26,082 5,204 + 5,205 + … + 5,228 2,006 + 2,007 + … + 2,069 719 + 720 + … + 881
Aliquot sequence: 130,400 189,892 154,088 182,872 160,028 145,564 111,924 171,086 87,898 46,022 23,014 12,554 6,280 7,940 8,776 7,694 3,850 — unresolved within range

Continued fraction of √n

√130,400 = [361; (9, 7, 9, 722)]

Period length 4 — the block in parentheses repeats forever.

Representations

In words
one hundred thirty thousand four hundred
Ordinal
130400th
Binary
11111110101100000
Octal
376540
Hexadecimal
0x1FD60
Base64
Af1g
One's complement
4,294,836,895 (32-bit)
Scientific notation
1.304 × 10⁵
As a duration
130,400 s = 1 day, 12 hours, 13 minutes, 20 seconds
In other bases
ternary (3) 20121212122
quaternary (4) 133311200
quinary (5) 13133100
senary (6) 2443412
septenary (7) 1052114
nonary (9) 217778
undecimal (11) 89a76
duodecimal (12) 63568
tridecimal (13) 4747a
tetradecimal (14) 35744
pentadecimal (15) 28985

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢
Greek (Milesian)
͵ρλυʹ
Mayan (base 20)
𝋰·𝋦·𝋠·𝋠
Chinese
一十三萬零四百
Chinese (financial)
壹拾參萬零肆佰
In other modern scripts
Eastern Arabic ١٣٠٤٠٠ Devanagari १३०४०० Bengali ১৩০৪০০ Tamil ௧௩௦௪௦௦ Thai ๑๓๐๔๐๐ Tibetan ༡༣༠༤༠༠ Khmer ១៣០៤០០ Lao ໑໓໐໔໐໐ Burmese ၁၃၀၄၀၀

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 130400, here are decompositions:

  • 31 + 130369 = 130400
  • 37 + 130363 = 130400
  • 97 + 130303 = 130400
  • 139 + 130261 = 130400
  • 199 + 130201 = 130400
  • 229 + 130171 = 130400
  • 313 + 130087 = 130400
  • 331 + 130069 = 130400

Showing the first eight; more decompositions exist.

Hex color
#01FD60
RGB(1, 253, 96)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.1.253.96.

Address
0.1.253.96
Class
reserved
IPv4-mapped IPv6
::ffff:0.1.253.96

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 130,400 and was likely granted around 1872.

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.