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Number

453

453 is a composite number, odd, a calendar year.

Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree Year

Historical context — 453 AD

Calendar year

Year 453 (CDLIII) was a common year starting on Thursday of the Julian calendar.

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Historical context — 453 BC

Calendar year

Year 453 BC was a year of the pre-Julian Roman 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
Wednesday
January 1, 453
Ended on
Wednesday
December 31, 453
Friday the 13ths
1
One Friday the 13th this year.
Decade
450s
450–459
Century
5th century
401–500
Millennium
1st millennium
1–1000
Years ago
1,573
1573 years before 2026.

In other calendars

Hebrew
4213 / 4214 AM
Rosh Hashanah falls in September/October.
Chinese
Year of the zodiac:Water zodiac:Snake
Sexagenary cycle position 30 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
996 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian
445 / 446 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
375 / 374 Saka
Indian national calendar; year starts in March.

Properties

Parity
Odd
Digit count
3
Digit sum
12
Digit product
60
Digital root
3
Palindrome
No
Bit width
9 bits
Reversed
354
Recamán's sequence
a(182) = 453
Square (n²)
205,209
Cube (n³)
92,959,677
Divisor count
4
σ(n) — sum of divisors
608
φ(n) — Euler's totient
300
Sum of prime factors
154

Primality

Prime factorization: 3 × 151

Nearest primes: 449 (−4) · 457 (+4)

Divisors & multiples

All divisors (4)
1 · 3 · 151 · 453
Aliquot sum (sum of proper divisors): 155
Factor pairs (a × b = 453)
1 × 453
3 × 151
First multiples
453 · 906 (double) · 1,359 · 1,812 · 2,265 · 2,718 · 3,171 · 3,624 · 4,077 · 4,530

Sums & aliquot sequence

As consecutive integers: 226 + 227 150 + 151 + 152 73 + 74 + 75 + 76 + 77 + 78
Aliquot sequence: 453 155 37 1 0 — terminates at zero

Representations

In words
four hundred fifty-three
Ordinal
453rd
Roman numeral
CDLIII
Binary
111000101
Octal
705
Hexadecimal
0x1C5
Base64
AcU=
One's complement
65,082 (16-bit)
In other bases
ternary (3) 121210
quaternary (4) 13011
quinary (5) 3303
senary (6) 2033
septenary (7) 1215
nonary (9) 553
undecimal (11) 382
duodecimal (12) 319
tridecimal (13) 28b
tetradecimal (14) 245
pentadecimal (15) 203

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
υνγʹ
Mayan (base 20)
𝋡·𝋢·𝋭
Chinese
四百五十三
Chinese (financial)
肆佰伍拾參
In other modern scripts
Eastern Arabic ٤٥٣ Devanagari ४५३ Bengali ৪৫৩ Tamil ௪௫௩ Thai ๔๕๓ Tibetan ༤༥༣ Khmer ៤៥៣ Lao ໔໕໓ Burmese ၄၅၃

Digit at this position in famous constants

π — Pi (π)
Digit 453 = 7
e — Euler's number (e)
Digit 453 = 7
φ — Golden ratio (φ)
Digit 453 = 5
√2 — Pythagoras's (√2)
Digit 453 = 3
ln 2 — Natural log of 2
Digit 453 = 0
γ — Euler-Mascheroni (γ)
Digit 453 = 0

Also seen as

Unicode codepoint
Dž
Latin Capital Letter D With Small Letter Z With Caron
U+01C5
Titlecase letter (Lt)

UTF-8 encoding: C7 85 (2 bytes).

Hex color
#0001C5
RGB(0, 1, 197)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.1.197.

Address
0.0.1.197
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.1.197

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

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000000453
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.