number.wiki
Number

5,261

5,261 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
14
Digit product
60
Digital root
5
Palindrome
No
Bit width
13 bits
Reversed
1,625
Recamán's sequence
a(27,914) = 5,261
Square (n²)
27,678,121
Cube (n³)
145,614,594,581
Divisor count
2
σ(n) — sum of divisors
5,262
φ(n) — Euler's totient
5,260

Primality

5,261 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 5261
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 5,261)
1 × 5261
First multiples
5,261 · 10,522 (double) · 15,783 · 21,044 · 26,305 · 31,566 · 36,827 · 42,088 · 47,349 · 52,610

Sums & aliquot sequence

As a sum of two squares: 19² + 70²
As consecutive integers: 2,630 + 2,631

Representations

In words
five thousand two hundred sixty-one
Ordinal
5261st
Binary
1010010001101
Octal
12215
Hexadecimal
0x148D
Base64
FI0=
One's complement
60,274 (16-bit)
In other bases
ternary (3) 21012212
quaternary (4) 1102031
quinary (5) 132021
senary (6) 40205
septenary (7) 21224
nonary (9) 7185
undecimal (11) 3a53
duodecimal (12) 3065
tridecimal (13) 2519
tetradecimal (14) 1cbb
pentadecimal (15) 185b

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵εσξαʹ
Mayan (base 20)
𝋭·𝋣·𝋡
Chinese
五千二百六十一
Chinese (financial)
伍仟貳佰陸拾壹
In other modern scripts
Eastern Arabic ٥٢٦١ Devanagari ५२६१ Bengali ৫২৬১ Tamil ௫௨௬௧ Thai ๕๒๖๑ Tibetan ༥༢༦༡ Khmer ៥២៦១ Lao ໕໒໖໑ Burmese ၅၂၆၁

Digit at this position in famous constants

π — Pi (π)
Digit 5,261 = 8
e — Euler's number (e)
Digit 5,261 = 1
φ — Golden ratio (φ)
Digit 5,261 = 3
√2 — Pythagoras's (√2)
Digit 5,261 = 8
ln 2 — Natural log of 2
Digit 5,261 = 7
γ — Euler-Mascheroni (γ)
Digit 5,261 = 7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 5,237 (gap of 24)
  • Next prime: 5,273 (gap of 12)
Unicode codepoint
Canadian Syllabics Co
U+148D
Other letter (Lo)

UTF-8 encoding: E1 92 8D (3 bytes).

Hex color
#00148D
RGB(0, 20, 141)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.20.141.

Address
0.0.20.141
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.20.141

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

Position in π

The digit sequence 5261 first appears in π at position 840 of the decimal expansion (the 840ordinal-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.