number.wiki
Number

20,359

20,359 is a prime, odd.

Arithmetic Number Deficient Number Odious Number Prime Recamán's Sequence Sexy Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
15 bits
Reversed
95,302
Recamán's sequence
a(86,498) = 20,359
Square (n²)
414,488,881
Cube (n³)
8,438,579,128,279
Divisor count
2
σ(n) — sum of divisors
20,360
φ(n) — Euler's totient
20,358

Primality

20,359 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 20359
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 20,359)
1 × 20359
First multiples
20,359 · 40,718 (double) · 61,077 · 81,436 · 101,795 · 122,154 · 142,513 · 162,872 · 183,231 · 203,590

Sums & aliquot sequence

As consecutive integers: 10,179 + 10,180

Representations

In words
twenty thousand three hundred fifty-nine
Ordinal
20359th
Binary
100111110000111
Octal
47607
Hexadecimal
0x4F87
Base64
T4c=
One's complement
45,176 (16-bit)
In other bases
ternary (3) 1000221001
quaternary (4) 10332013
quinary (5) 1122414
senary (6) 234131
septenary (7) 113233
nonary (9) 30831
undecimal (11) 14329
duodecimal (12) b947
tridecimal (13) 9361
tetradecimal (14) 75c3
pentadecimal (15) 6074

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵κτνθʹ
Mayan (base 20)
𝋢·𝋪·𝋱·𝋳
Chinese
二萬零三百五十九
Chinese (financial)
貳萬零參佰伍拾玖
In other modern scripts
Eastern Arabic ٢٠٣٥٩ Devanagari २०३५९ Bengali ২০৩৫৯ Tamil ௨௦௩௫௯ Thai ๒๐๓๕๙ Tibetan ༢༠༣༥༩ Khmer ២០៣៥៩ Lao ໒໐໓໕໙ Burmese ၂၀၃၅၉

Digit at this position in famous constants

π — Pi (π)
Digit 20,359 = 0
e — Euler's number (e)
Digit 20,359 = 0
φ — Golden ratio (φ)
Digit 20,359 = 7
√2 — Pythagoras's (√2)
Digit 20,359 = 5
ln 2 — Natural log of 2
Digit 20,359 = 8
γ — Euler-Mascheroni (γ)
Digit 20,359 = 4

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 20,357 (gap of 2)
  • Next prime: 20,369 (gap of 10)

Pair status: twin with 20357.

Unicode codepoint
CJK Unified Ideograph-4F87
U+4F87
Other letter (Lo)

UTF-8 encoding: E4 BE 87 (3 bytes).

Hex color
#004F87
RGB(0, 79, 135)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.79.135.

Address
0.0.79.135
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.79.135

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

Position in π

The digit sequence 20359 first appears in π at position 95,210 of the decimal expansion (the 95,210ordinal-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.