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Number

55,997

55,997 is a prime, odd.

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

Properties

Parity
Odd
Digit count
5
Digit sum
35
Digit product
14,175
Digital root
8
Palindrome
No
Bit width
16 bits
Reversed
79,955
Recamán's sequence
a(291,826) = 55,997
Square (n²)
3,135,664,009
Cube (n³)
175,587,777,511,973
Divisor count
2
σ(n) — sum of divisors
55,998
φ(n) — Euler's totient
55,996

Primality

55,997 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 55997
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 55,997)
1 × 55997
First multiples
55,997 · 111,994 (double) · 167,991 · 223,988 · 279,985 · 335,982 · 391,979 · 447,976 · 503,973 · 559,970

Sums & aliquot sequence

As a sum of two squares: 101² + 214²
As consecutive integers: 27,998 + 27,999

Representations

In words
fifty-five thousand nine hundred ninety-seven
Ordinal
55997th
Binary
1101101010111101
Octal
155275
Hexadecimal
0xDABD
Base64
2r0=
One's complement
9,538 (16-bit)
In other bases
ternary (3) 2211210222
quaternary (4) 31222331
quinary (5) 3242442
senary (6) 1111125
septenary (7) 322154
nonary (9) 84728
undecimal (11) 39087
duodecimal (12) 284a5
tridecimal (13) 1c646
tetradecimal (14) 1659b
pentadecimal (15) 118d2

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵νεϡϟζʹ
Mayan (base 20)
𝋦·𝋳·𝋳·𝋱
Chinese
五萬五千九百九十七
Chinese (financial)
伍萬伍仟玖佰玖拾柒
In other modern scripts
Eastern Arabic ٥٥٩٩٧ Devanagari ५५९९७ Bengali ৫৫৯৯৭ Tamil ௫௫௯௯௭ Thai ๕๕๙๙๗ Tibetan ༥༥༩༩༧ Khmer ៥៥៩៩៧ Lao ໕໕໙໙໗ Burmese ၅၅၉၉၇

Digit at this position in famous constants

π — Pi (π)
Digit 55,997 = 4
e — Euler's number (e)
Digit 55,997 = 3
φ — Golden ratio (φ)
Digit 55,997 = 7
√2 — Pythagoras's (√2)
Digit 55,997 = 9
ln 2 — Natural log of 2
Digit 55,997 = 8
γ — Euler-Mascheroni (γ)
Digit 55,997 = 6

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 55,987 (gap of 10)
  • Next prime: 56,003 (gap of 6)

Pair status: sexy with 56003.

Hex color
#00DABD
RGB(0, 218, 189)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.189.

Address
0.0.218.189
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.218.189

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

Position in π

The digit sequence 55997 first appears in π at position 224,530 of the decimal expansion (the 224,530ordinal-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.