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Number

51,061

51,061 is a prime, odd.

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

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
16,015
Recamán's sequence
a(16,686) = 51,061
Square (n²)
2,607,225,721
Cube (n³)
133,127,552,539,981
Divisor count
2
σ(n) — sum of divisors
51,062
φ(n) — Euler's totient
51,060

Primality

51,061 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 51061
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 51,061)
1 × 51061
First multiples
51,061 · 102,122 (double) · 153,183 · 204,244 · 255,305 · 306,366 · 357,427 · 408,488 · 459,549 · 510,610

Sums & aliquot sequence

As a sum of two squares: 150² + 169²
As consecutive integers: 25,530 + 25,531

Representations

In words
fifty-one thousand sixty-one
Ordinal
51061st
Binary
1100011101110101
Octal
143565
Hexadecimal
0xC775
Base64
x3U=
One's complement
14,474 (16-bit)
In other bases
ternary (3) 2121001011
quaternary (4) 30131311
quinary (5) 3113221
senary (6) 1032221
septenary (7) 301603
nonary (9) 77034
undecimal (11) 353aa
duodecimal (12) 25671
tridecimal (13) 1a31a
tetradecimal (14) 14873
pentadecimal (15) 101e1

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹 𒌋𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵ναξαʹ
Mayan (base 20)
𝋦·𝋧·𝋭·𝋡
Chinese
五萬一千零六十一
Chinese (financial)
伍萬壹仟零陸拾壹
In other modern scripts
Eastern Arabic ٥١٠٦١ Devanagari ५१०६१ Bengali ৫১০৬১ Tamil ௫௧௦௬௧ Thai ๕๑๐๖๑ Tibetan ༥༡༠༦༡ Khmer ៥១០៦១ Lao ໕໑໐໖໑ Burmese ၅၁၀၆၁

Digit at this position in famous constants

π — Pi (π)
Digit 51,061 = 8
e — Euler's number (e)
Digit 51,061 = 3
φ — Golden ratio (φ)
Digit 51,061 = 4
√2 — Pythagoras's (√2)
Digit 51,061 = 0
ln 2 — Natural log of 2
Digit 51,061 = 6
γ — Euler-Mascheroni (γ)
Digit 51,061 = 2

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 51,059 (gap of 2)
  • Next prime: 51,071 (gap of 10)

Pair status: twin with 51059.

Unicode codepoint
Hangul Syllable Ig
U+C775
Other letter (Lo)

UTF-8 encoding: EC 9D B5 (3 bytes).

Hex color
#00C775
RGB(0, 199, 117)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.199.117.

Address
0.0.199.117
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.199.117

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

Position in π

The digit sequence 51061 first appears in π at position 357,726 of the decimal expansion (the 357,726ordinal-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.