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5,525

5,525 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.).

5,525 (five thousand five hundred twenty-five) is an odd 4-digit number. It is a composite number with 12 divisors, and factors as 5² × 13 × 17. Written other ways, in hexadecimal, 0x1595.

Arithmetic Number Cube-Free Deficient Number Happy Number Harshad / Niven Odious Number Pernicious Number Recamán's Sequence Square Pyramidal

Interestingness

Properties

Parity
Odd
Digit count
4
Digit sum
17
Digit product
250
Digital root
8
Palindrome
No
Bit width
13 bits
Reversed
5,255
Recamán's sequence
a(2,794) = 5,525
Square (n²)
30,525,625
Cube (n³)
168,654,078,125
Divisor count
12
σ(n) — sum of divisors
7,812
φ(n) — Euler's totient
3,840
Sum of prime factors
40

Primality

Prime factorization: 5 2 × 13 × 17

Nearest primes: 5,521 (−4) · 5,527 (+2)

Divisors & multiples

All divisors (12)
1 · 5 · 13 · 17 · 25 · 65 · 85 · 221 · 325 · 425 · 1105 · 5525
Aliquot sum (sum of proper divisors): 2,287
Factor pairs (a × b = 5,525)
1 × 5525
5 × 1105
13 × 425
17 × 325
25 × 221
65 × 85
First multiples
5,525 · 11,050 (double) · 16,575 · 22,100 · 27,625 · 33,150 · 38,675 · 44,200 · 49,725 · 55,250

Sums & aliquot sequence

As a sum of two squares: 7² + 74² = 14² + 73² = 22² + 71² = 25² + 70²
As consecutive integers: 2,762 + 2,763 1,103 + 1,104 + 1,105 + 1,106 + 1,107 548 + 549 + … + 557 419 + 420 + … + 431
Aliquot sequence: 5,525 2,287 1 0 — terminates at zero

Continued fraction of √n

√5,525 = [74; (3, 36, 1, 4, 1, 36, 3, 148)]

Period length 8 — the block in parentheses repeats forever.

Representations

In words
five thousand five hundred twenty-five
Ordinal
5525th
Binary
1010110010101
Octal
12625
Hexadecimal
0x1595
Base64
FZU=
One's complement
60,010 (16-bit)
Scientific notation
5.525 × 10³
As a duration
5,525 s = 1 hour, 32 minutes, 5 seconds
In other bases
ternary (3) 21120122
quaternary (4) 1112111
quinary (5) 134100
senary (6) 41325
septenary (7) 22052
nonary (9) 7518
undecimal (11) 4173
duodecimal (12) 3245
tridecimal (13) 2690
tetradecimal (14) 2029
pentadecimal (15) 1985
Palindromic in base 4

As an angle

5,525° = 15 × 360° + 125°
125° ≈ 2.182 rad
Compass bearing: SE (southeast)

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵εφκεʹ
Mayan (base 20)
𝋭·𝋰·𝋥
Chinese
五千五百二十五
Chinese (financial)
伍仟伍佰貳拾伍
In other modern scripts
Eastern Arabic ٥٥٢٥ Devanagari ५५२५ Bengali ৫৫২৫ Tamil ௫௫௨௫ Thai ๕๕๒๕ Tibetan ༥༥༢༥ Khmer ៥៥២៥ Lao ໕໕໒໕ Burmese ၅၅၂၅

Digit at this position in famous constants

π — Pi (π)
Digit 5,525 = 2
e — Euler's number (e)
Digit 5,525 = 7
φ — Golden ratio (φ)
Digit 5,525 = 2
√2 — Pythagoras's (√2)
Digit 5,525 = 6
ln 2 — Natural log of 2
Digit 5,525 = 8
γ — Euler-Mascheroni (γ)
Digit 5,525 = 2

Also seen as

Unicode codepoint
Canadian Syllabics Ng
U+1595
Other letter (Lo)

UTF-8 encoding: E1 96 95 (3 bytes).

Hex color
#001595
RGB(0, 21, 149)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.21.149.

Address
0.0.21.149
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.21.149

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

Musical pitch

Heard as a frequency, 5,525 Hz is closest to:

  • Concert pitch (A4 = 440 Hz): F8 (5587.7 Hz, -20¢)
  • Scientific pitch (C4 = 256 Hz): F8 (5467.5 Hz, +18¢)
  • Baroque pitch (A4 = 415 Hz): F♯8 (5583.6 Hz, -18¢)
Position in π

The digit sequence 5525 first appears in π at position 6,099 of the decimal expansion (the 6,099ordinal-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.