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Number

55,201

55,201 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
10,255
Recamán's sequence
a(141,153) = 55,201
Square (n²)
3,047,150,401
Cube (n³)
168,205,749,285,601
Divisor count
2
σ(n) — sum of divisors
55,202
φ(n) — Euler's totient
55,200

Primality

55,201 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55201
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,201)
1 × 55201
First multiples
55,201 · 110,402 (double) · 165,603 · 220,804 · 276,005 · 331,206 · 386,407 · 441,608 · 496,809 · 552,010

Sums & aliquot sequence

As a sum of two squares: 151² + 180²
As consecutive integers: 27,600 + 27,601

Representations

In words
fifty-five thousand two hundred one
Ordinal
55201st
Binary
1101011110100001
Octal
153641
Hexadecimal
0xD7A1
Base64
16E=
One's complement
10,334 (16-bit)
In other bases
ternary (3) 2210201111
quaternary (4) 31132201
quinary (5) 3231301
senary (6) 1103321
septenary (7) 316636
nonary (9) 83644
undecimal (11) 38523
duodecimal (12) 27b41
tridecimal (13) 1c183
tetradecimal (14) 1618d
pentadecimal (15) 11551

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓏺
Greek (Milesian)
͵νεσαʹ
Mayan (base 20)
𝋦·𝋲·𝋠·𝋡
Chinese
五萬五千二百零一
Chinese (financial)
伍萬伍仟貳佰零壹
In other modern scripts
Eastern Arabic ٥٥٢٠١ Devanagari ५५२०१ Bengali ৫৫২০১ Tamil ௫௫௨௦௧ Thai ๕๕๒๐๑ Tibetan ༥༥༢༠༡ Khmer ៥៥២០១ Lao ໕໕໒໐໑ Burmese ၅၅၂၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 55,201 = 6
e — Euler's number (e)
Digit 55,201 = 1
φ — Golden ratio (φ)
Digit 55,201 = 3
√2 — Pythagoras's (√2)
Digit 55,201 = 0
ln 2 — Natural log of 2
Digit 55,201 = 9
γ — Euler-Mascheroni (γ)
Digit 55,201 = 7

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,171 (gap of 30)
  • Next prime: 55,207 (gap of 6)

Pair status: sexy with 55207.

Unicode codepoint
Hangul Syllable Hit
U+D7A1
Other letter (Lo)

UTF-8 encoding: ED 9E A1 (3 bytes).

Hex color
#00D7A1
RGB(0, 215, 161)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.161.

Address
0.0.215.161
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.215.161

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

Position in π

The digit sequence 55201 first appears in π at position 21,247 of the decimal expansion (the 21,247ordinal-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.