Number

1,493

1,493 is a prime, odd, a calendar year.

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

Historical context — 1493 AD

Calendar year

Year 1493 (MCDXCIII) was a common year starting on Tuesday of the Julian calendar.

Excerpt from Wikipedia (en) ↗ · Licensed CC BY-SA 4.0 · English fallback Read the full article on Wikipedia →

Year facts

Year type: Common year
Standard 365-day year; not divisible by 4 (or divisible by 100 but not 400).
Days in year: 365
ISO weeks: 52
Started on: Sunday
January 1, 1493
Ended on: Sunday
December 31, 1493
Friday the 13ths: 2
2 Friday the 13ths this year.
Decade: 1490s
1490–1499
Century: 15th century
1401–1500
Millennium: 2nd millennium
1001–2000
Years ago: 533
533 years before 2026.

In other calendars

Hebrew: 5253 / 5254 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 898 / 899 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Water zodiac:Ox
Sexagenary cycle position 50 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 2036 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 871 / 872 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1485 / 1486 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1415 / 1414 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 17
Digit product: 108
Digital root: 8
Palindrome: No
Bit width: 11 bits
Reversed: 3,941
Recamán's sequence: a(1,574) = 1,493
Square (n²): 2,229,049
Cube (n³): 3,327,970,157
Divisor count: 2
σ(n) — sum of divisors: 1,494
φ(n) — Euler's totient: 1,492

Primality

1,493 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1493

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,493)

1 × 1493

First multiples

1,493 · 2,986 (double) · 4,479 · 5,972 · 7,465 · 8,958 · 10,451 · 11,944 · 13,437 · 14,930

Sums & aliquot sequence

As a sum of two squares: 7² + 38²

As consecutive integers: 746 + 747

Representations

In words: one thousand four hundred ninety-three
Ordinal: 1493rd
Roman numeral: MCDXCIII
Binary: 10111010101
Octal: 2725
Hexadecimal: 0x5D5
Base64: BdU=
One's complement: 64,042 (16-bit)

In other bases

ternary (3) 2001022

quaternary (4) 113111

quinary (5) 21433

senary (6) 10525

septenary (7) 4232

nonary (9) 2038

undecimal (11) 1138

duodecimal (12) a45

tridecimal (13) 8ab

tetradecimal (14) 789

pentadecimal (15) 698

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ͵αυϟγʹ
Mayan (base 20): 𝋣·𝋮·𝋭
Chinese: 一千四百九十三
Chinese (financial): 壹仟肆佰玖拾參

In other modern scripts

Eastern Arabic ١٤٩٣ Devanagari १४९३ Bengali ১৪৯৩ Tamil ௧௪௯௩ Thai ๑๔๙๓ Tibetan ༡༤༩༣ Khmer ១៤៩៣ Lao ໑໔໙໓ Burmese ၁၄၉၃

Digit at this position in famous constants

π — Pi (π): Digit 1,493 = 5
e — Euler's number (e): Digit 1,493 = 0
φ — Golden ratio (φ): Digit 1,493 = 1
√2 — Pythagoras's (√2): Digit 1,493 = 7
ln 2 — Natural log of 2: Digit 1,493 = 9
γ — Euler-Mascheroni (γ): Digit 1,493 = 2

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,489 (gap of 4)
Next prime: 1,499 (gap of 6)

Pair status: cousin with 1489, sexy with 1499.

Unicode codepoint

Hebrew Letter Vav

U+05D5

Other letter (Lo)

UTF-8 encoding: D7 95 (2 bytes).

Lookup U+05D5 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0005D5

RGB(0, 5, 213)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.213.

Address: 0.0.5.213
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.213

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

Position in π

The digit sequence 1493 first appears in π at position 8,241 of the decimal expansion (the 8,241ordinal-suffix:st 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.

Look up 1493 on Pi Search ↗