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7,040

7,040 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.).
Abundant Number Harshad / Niven Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
4
Digit sum
11
Digit product
0
Digital root
2
Palindrome
No
Bit width
13 bits
Reversed
407
Recamán's sequence
a(2,003) = 7,040
Square (n²)
49,561,600
Cube (n³)
348,913,664,000
Divisor count
32
σ(n) — sum of divisors
18,360
φ(n) — Euler's totient
2,560
Sum of prime factors
30

Primality

Prime factorization: 2 7 × 5 × 11

Nearest primes: 7,039 (−1) · 7,043 (+3)

Divisors & multiples

All divisors (32)
1 · 2 · 4 · 5 · 8 · 10 · 11 · 16 · 20 · 22 · 32 · 40 · 44 · 55 · 64 · 80 · 88 · 110 · 128 · 160 · 176 · 220 · 320 · 352 · 440 · 640 · 704 · 880 · 1408 · 1760 · 3520 (half) · 7040
Aliquot sum (sum of proper divisors): 11,320
Factor pairs (a × b = 7,040)
1 × 7040
2 × 3520
4 × 1760
5 × 1408
8 × 880
10 × 704
11 × 640
16 × 440
20 × 352
22 × 320
32 × 220
40 × 176
44 × 160
55 × 128
64 × 110
80 × 88
First multiples
7,040 · 14,080 (double) · 21,120 · 28,160 · 35,200 · 42,240 · 49,280 · 56,320 · 63,360 · 70,400

Sums & aliquot sequence

As consecutive integers: 1,406 + 1,407 + 1,408 + 1,409 + 1,410 635 + 636 + … + 645 101 + 102 + … + 155
Aliquot sequence: 7,040 11,320 14,240 19,780 24,572 18,436 16,844 12,640 17,600 29,644 22,240 30,680 44,920 56,240 85,120 159,680 221,320 — unresolved within range

Representations

In words
seven thousand forty
Ordinal
7040th
Binary
1101110000000
Octal
15600
Hexadecimal
0x1B80
Base64
G4A=
One's complement
58,495 (16-bit)
In other bases
ternary (3) 100122202
quaternary (4) 1232000
quinary (5) 211130
senary (6) 52332
septenary (7) 26345
nonary (9) 10582
undecimal (11) 5320
duodecimal (12) 40a8
tridecimal (13) 3287
tetradecimal (14) 27cc
pentadecimal (15) 2145

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆
Greek (Milesian)
͵ζμʹ
Mayan (base 20)
𝋱·𝋬·𝋠
Chinese
七千零四十
Chinese (financial)
柒仟零肆拾
In other modern scripts
Eastern Arabic ٧٠٤٠ Devanagari ७०४० Bengali ৭০৪০ Tamil ௭௦௪௦ Thai ๗๐๔๐ Tibetan ༧༠༤༠ Khmer ៧០៤០ Lao ໗໐໔໐ Burmese ၇၀၄၀

Digit at this position in famous constants

π — Pi (π)
Digit 7,040 = 7
e — Euler's number (e)
Digit 7,040 = 4
φ — Golden ratio (φ)
Digit 7,040 = 8
√2 — Pythagoras's (√2)
Digit 7,040 = 7
ln 2 — Natural log of 2
Digit 7,040 = 0
γ — Euler-Mascheroni (γ)
Digit 7,040 = 1

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 7040, here are decompositions:

  • 13 + 7027 = 7040
  • 43 + 6997 = 7040
  • 73 + 6967 = 7040
  • 79 + 6961 = 7040
  • 157 + 6883 = 7040
  • 199 + 6841 = 7040
  • 211 + 6829 = 7040
  • 277 + 6763 = 7040

Showing the first eight; more decompositions exist.

Unicode codepoint
Sundanese Sign Panyecek
U+1B80
Non-spacing mark (Mn)

UTF-8 encoding: E1 AE 80 (3 bytes).

Hex color
#001B80
RGB(0, 27, 128)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.27.128.

Address
0.0.27.128
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.27.128

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 7040 first appears in π at position 4,888 of the decimal expansion (the 4,888ordinal-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.