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Number

48,821

48,821 is a prime, odd.

Arithmetic Number Chen Prime Cousin Prime Deficient Number Odious Number Pernicious Number Prime Pythagorean Prime Recamán's Sequence Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
23
Digit product
512
Digital root
5
Palindrome
No
Bit width
16 bits
Reversed
12,884
Recamán's sequence
a(64,678) = 48,821
Square (n²)
2,383,490,041
Cube (n³)
116,364,367,291,661
Divisor count
2
σ(n) — sum of divisors
48,822
φ(n) — Euler's totient
48,820

Primality

48,821 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 48821
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 48,821)
1 × 48821
First multiples
48,821 · 97,642 (double) · 146,463 · 195,284 · 244,105 · 292,926 · 341,747 · 390,568 · 439,389 · 488,210

Sums & aliquot sequence

As a sum of two squares: 55² + 214²
As consecutive integers: 24,410 + 24,411

Representations

In words
forty-eight thousand eight hundred twenty-one
Ordinal
48821st
Binary
1011111010110101
Octal
137265
Hexadecimal
0xBEB5
Base64
vrU=
One's complement
16,714 (16-bit)
In other bases
ternary (3) 2110222012
quaternary (4) 23322311
quinary (5) 3030241
senary (6) 1014005
septenary (7) 262223
nonary (9) 73865
undecimal (11) 33753
duodecimal (12) 24305
tridecimal (13) 192b6
tetradecimal (14) 13b13
pentadecimal (15) e6eb

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵μηωκαʹ
Mayan (base 20)
𝋦·𝋢·𝋡·𝋡
Chinese
四萬八千八百二十一
Chinese (financial)
肆萬捌仟捌佰貳拾壹
In other modern scripts
Eastern Arabic ٤٨٨٢١ Devanagari ४८८२१ Bengali ৪৮৮২১ Tamil ௪௮௮௨௧ Thai ๔๘๘๒๑ Tibetan ༤༨༨༢༡ Khmer ៤៨៨២១ Lao ໔໘໘໒໑ Burmese ၄၈၈၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 48,821 = 8
e — Euler's number (e)
Digit 48,821 = 5
φ — Golden ratio (φ)
Digit 48,821 = 1
√2 — Pythagoras's (√2)
Digit 48,821 = 9
ln 2 — Natural log of 2
Digit 48,821 = 2
γ — Euler-Mascheroni (γ)
Digit 48,821 = 6

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 48,817 (gap of 4)
  • Next prime: 48,823 (gap of 2)

Pair status: twin with 48823, cousin with 48817.

Unicode codepoint
Hangul Syllable Bbyaeg
U+BEB5
Other letter (Lo)

UTF-8 encoding: EB BA B5 (3 bytes).

Hex color
#00BEB5
RGB(0, 190, 181)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.190.181.

Address
0.0.190.181
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.190.181

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

Position in π

The digit sequence 48821 first appears in π at position 76,610 of the decimal expansion (the 76,610ordinal-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.