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13,393

13,393 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.).
Arithmetic Number Deficient Number Evil Number Happy Number Recamán's Sequence Self Number Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digit product
243
Digital root
1
Palindrome
No
Bit width
14 bits
Reversed
39,331
Recamán's sequence
a(47,489) = 13,393
Square (n²)
179,372,449
Cube (n³)
2,402,335,209,457
Divisor count
4
σ(n) — sum of divisors
13,680
φ(n) — Euler's totient
13,108
Sum of prime factors
286

Primality

Prime factorization: 59 × 227

Nearest primes: 13,381 (−12) · 13,397 (+4)

Divisors & multiples

All divisors (4)
1 · 59 · 227 · 13393
Aliquot sum (sum of proper divisors): 287
Factor pairs (a × b = 13,393)
1 × 13393
59 × 227
First multiples
13,393 · 26,786 (double) · 40,179 · 53,572 · 66,965 · 80,358 · 93,751 · 107,144 · 120,537 · 133,930

Sums & aliquot sequence

As consecutive integers: 6,696 + 6,697 198 + 199 + … + 256 55 + 56 + … + 172
Aliquot sequence: 13,393 287 49 8 7 1 0 — terminates at zero

Representations

In words
thirteen thousand three hundred ninety-three
Ordinal
13393rd
Binary
11010001010001
Octal
32121
Hexadecimal
0x3451
Base64
NFE=
One's complement
52,142 (16-bit)
In other bases
ternary (3) 200101001
quaternary (4) 3101101
quinary (5) 412033
senary (6) 142001
septenary (7) 54022
nonary (9) 20331
undecimal (11) a076
duodecimal (12) 7901
tridecimal (13) 6133
tetradecimal (14) 4c49
pentadecimal (15) 3e7d

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵ιγτϟγʹ
Mayan (base 20)
𝋡·𝋭·𝋩·𝋭
Chinese
一萬三千三百九十三
Chinese (financial)
壹萬參仟參佰玖拾參
In other modern scripts
Eastern Arabic ١٣٣٩٣ Devanagari १३३९३ Bengali ১৩৩৯৩ Tamil ௧௩௩௯௩ Thai ๑๓๓๙๓ Tibetan ༡༣༣༩༣ Khmer ១៣៣៩៣ Lao ໑໓໓໙໓ Burmese ၁၃၃၉၃

Digit at this position in famous constants

π — Pi (π)
Digit 13,393 = 0
e — Euler's number (e)
Digit 13,393 = 7
φ — Golden ratio (φ)
Digit 13,393 = 3
√2 — Pythagoras's (√2)
Digit 13,393 = 1
ln 2 — Natural log of 2
Digit 13,393 = 1
γ — Euler-Mascheroni (γ)
Digit 13,393 = 3

Also seen as

Unicode codepoint
CJK Unified Ideograph-3451
U+3451
Other letter (Lo)

UTF-8 encoding: E3 91 91 (3 bytes).

Hex color
#003451
RGB(0, 52, 81)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.52.81.

Address
0.0.52.81
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.52.81

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

Position in π

The digit sequence 13393 first appears in π at position 281 of the decimal expansion (the 281ordinal-suffix:st 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.