Number

1,453

1,453 is a prime, odd, a calendar year.

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

Notable events — 1453 AD

May 29 Constantinople falls to Mehmed II, ending the Byzantine Empire.

Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0

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: Saturday
January 1, 1453
Ended on: Saturday
December 31, 1453
Friday the 13ths: 1
One Friday the 13th this year.
Decade: 1450s
1450–1459
Century: 15th century
1401–1500
Millennium: 2nd millennium
1001–2000
Years ago: 573
573 years before 2026.

In other calendars

Hebrew: 5213 / 5214 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 856 / 857 AH
Lunar calendar; year spans differ from Gregorian.
Chinese: Year of the zodiac:Water zodiac:Rooster
Sexagenary cycle position 10 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1996 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 831 / 832 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 1445 / 1446 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 1375 / 1374 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 4
Digit sum: 13
Digit product: 60
Digital root: 4
Palindrome: No
Bit width: 11 bits
Reversed: 3,541
Recamán's sequence: a(1,654) = 1,453
Square (n²): 2,111,209
Cube (n³): 3,067,586,677
Divisor count: 2
σ(n) — sum of divisors: 1,454
φ(n) — Euler's totient: 1,452

Primality

1,453 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)

1 · 1453

Aliquot sum (sum of proper divisors): 1

Factor pairs (a × b = 1,453)

1 × 1453

First multiples

1,453 · 2,906 (double) · 4,359 · 5,812 · 7,265 · 8,718 · 10,171 · 11,624 · 13,077 · 14,530

Sums & aliquot sequence

As a sum of two squares: 3² + 38²

As consecutive integers: 726 + 727

Representations

In words: one thousand four hundred fifty-three
Ordinal: 1453rd
Roman numeral: MCDLIII
Binary: 10110101101
Octal: 2655
Hexadecimal: 0x5AD
Base64: Ba0=
One's complement: 64,082 (16-bit)

In other bases

ternary (3) 1222211

quaternary (4) 112231

quinary (5) 21303

senary (6) 10421

septenary (7) 4144

nonary (9) 1884

undecimal (11) 1101

duodecimal (12) a11

tridecimal (13) 87a

tetradecimal (14) 75b

pentadecimal (15) 66d

Historical numeral systems

Babylonian (base 60): 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ͵αυνγʹ
Mayan (base 20): 𝋣·𝋬·𝋭
Chinese: 一千四百五十三
Chinese (financial): 壹仟肆佰伍拾參

In other modern scripts

Eastern Arabic ١٤٥٣ Devanagari १४५३ Bengali ১৪৫৩ Tamil ௧௪௫௩ Thai ๑๔๕๓ Tibetan ༡༤༥༣ Khmer ១៤៥៣ Lao ໑໔໕໓ Burmese ၁၄၅၃

Digit at this position in famous constants

π — Pi (π): Digit 1,453 = 5
e — Euler's number (e): Digit 1,453 = 0
φ — Golden ratio (φ): Digit 1,453 = 6
√2 — Pythagoras's (√2): Digit 1,453 = 8
ln 2 — Natural log of 2: Digit 1,453 = 2
γ — Euler-Mascheroni (γ): Digit 1,453 = 3

Also seen as

Prime neighborhood

Adjacent primes:

Previous prime: 1,451 (gap of 2)
Next prime: 1,459 (gap of 6)

Pair status: twin with 1451, sexy with 1459.

Unicode codepoint

Hebrew Accent Dehi

U+05AD

Non-spacing mark (Mn)

UTF-8 encoding: D6 AD (2 bytes).

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

Hex color

#0005AD

RGB(0, 5, 173)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.5.173.

Address: 0.0.5.173
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.5.173

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

Position in π

The digit sequence 1453 first appears in π at position 3,186 of the decimal expansion (the 3,186ordinal-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.

Look up 1453 on Pi Search ↗