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5,242

5,242 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.).
Deficient Number Happy Number Odious Number Pernicious Number Recamán's Sequence Semiprime Smith Number Squarefree

Properties

Parity
Even
Digit count
4
Digit sum
13
Digit product
80
Digital root
4
Palindrome
No
Bit width
13 bits
Reversed
2,425
Recamán's sequence
a(27,952) = 5,242
Square (n²)
27,478,564
Cube (n³)
144,042,632,488
Divisor count
4
σ(n) — sum of divisors
7,866
φ(n) — Euler's totient
2,620
Sum of prime factors
2,623

Primality

Prime factorization: 2 × 2621

Nearest primes: 5,237 (−5) · 5,261 (+19)

Divisors & multiples

All divisors (4)
1 · 2 · 2621 (half) · 5242
Aliquot sum (sum of proper divisors): 2,624
Factor pairs (a × b = 5,242)
1 × 5242
2 × 2621
First multiples
5,242 · 10,484 (double) · 15,726 · 20,968 · 26,210 · 31,452 · 36,694 · 41,936 · 47,178 · 52,420

Sums & aliquot sequence

As a sum of two squares: 39² + 61²
As consecutive integers: 1,309 + 1,310 + 1,311 + 1,312
Aliquot sequence: 5,242 2,624 2,710 2,186 1,096 974 490 536 484 447 153 81 40 50 43 1 0 — terminates at zero

Representations

In words
five thousand two hundred forty-two
Ordinal
5242nd
Binary
1010001111010
Octal
12172
Hexadecimal
0x147A
Base64
FHo=
One's complement
60,293 (16-bit)
In other bases
ternary (3) 21012011
quaternary (4) 1101322
quinary (5) 131432
senary (6) 40134
septenary (7) 21166
nonary (9) 7164
undecimal (11) 3a36
duodecimal (12) 304a
tridecimal (13) 2503
tetradecimal (14) 1ca6
pentadecimal (15) 1847

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
Greek (Milesian)
͵εσμβʹ
Mayan (base 20)
𝋭·𝋢·𝋢
Chinese
五千二百四十二
Chinese (financial)
伍仟貳佰肆拾貳
In other modern scripts
Eastern Arabic ٥٢٤٢ Devanagari ५२४२ Bengali ৫২৪২ Tamil ௫௨௪௨ Thai ๕๒๔๒ Tibetan ༥༢༤༢ Khmer ៥២៤២ Lao ໕໒໔໒ Burmese ၅၂၄၂

Digit at this position in famous constants

π — Pi (π)
Digit 5,242 = 7
e — Euler's number (e)
Digit 5,242 = 8
φ — Golden ratio (φ)
Digit 5,242 = 0
√2 — Pythagoras's (√2)
Digit 5,242 = 4
ln 2 — Natural log of 2
Digit 5,242 = 6
γ — Euler-Mascheroni (γ)
Digit 5,242 = 0

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 5242, here are decompositions:

  • 5 + 5237 = 5242
  • 11 + 5231 = 5242
  • 53 + 5189 = 5242
  • 71 + 5171 = 5242
  • 89 + 5153 = 5242
  • 191 + 5051 = 5242
  • 233 + 5009 = 5242
  • 239 + 5003 = 5242

Showing the first eight; more decompositions exist.

Unicode codepoint
Canadian Syllabics Kwo
U+147A
Other letter (Lo)

UTF-8 encoding: E1 91 BA (3 bytes).

Hex color
#00147A
RGB(0, 20, 122)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.20.122.

Address
0.0.20.122
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.20.122

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

Position in π

The digit sequence 5242 first appears in π at position 18,339 of the decimal expansion (the 18,339ordinal-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.