Number

753

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

Arithmetic Number Deficient Number Descending Digits Evil Number Recamán's Sequence Semiprime Squarefree Stepped Digits Year

Historical context — 753 AD

Calendar year

Year 753 (DCCLIII) was a common year starting on Monday of the Julian calendar.

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

Notable events — 753 BC

Apr 21 Traditional founding date of Rome by Romulus.

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: 53
Long year: contains 53 ISO weeks.
Started on: Thursday
January 1, 753
Ended on: Thursday
December 31, 753
Friday the 13ths: 3
3 Friday the 13ths this year.
Decade: 750s
750–759
Century: 8th century
701–800
Millennium: 1st millennium
1–1000
Years ago: 1,273
1273 years before 2026.

In other calendars

Hebrew: 4513 / 4514 AM
Rosh Hashanah falls in September/October.
Islamic Hijri: 135 / 136 AH
Lunar calendar; year spans differ from Gregorian.
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: 1296 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri: 131 / 132 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian: 745 / 746 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 675 / 674 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 15
Digit product: 105
Digital root: 6
Palindrome: No
Bit width: 10 bits
Reversed: 357
Recamán's sequence: a(925) = 753
Square (n²): 567,009
Cube (n³): 426,957,777
Divisor count: 4
σ(n) — sum of divisors: 1,008
φ(n) — Euler's totient: 500
Sum of prime factors: 254

Primality

Prime factorization: 3 × 251

Nearest primes: 751 (−2) · 757 (+4)

Divisors & multiples

All divisors (4)

1 · 3 · 251 · 753

Aliquot sum (sum of proper divisors): 255

Factor pairs (a × b = 753)

1 × 753

3 × 251

First multiples

753 · 1,506 (double) · 2,259 · 3,012 · 3,765 · 4,518 · 5,271 · 6,024 · 6,777 · 7,530

Sums & aliquot sequence

As consecutive integers: 376 + 377 250 + 251 + 252 123 + 124 + 125 + 126 + 127 + 128

Aliquot sequence: 753 → 255 → 177 → 63 → 41 → 1 → 0 — terminates at zero

Representations

In words: seven hundred fifty-three
Ordinal: 753rd
Roman numeral: DCCLIII
Binary: 1011110001
Octal: 1361
Hexadecimal: 0x2F1
Base64: AvE=
One's complement: 64,782 (16-bit)

In other bases

ternary (3) 1000220

quaternary (4) 23301

quinary (5) 11003

senary (6) 3253

septenary (7) 2124

nonary (9) 1026

undecimal (11) 625

duodecimal (12) 529

tridecimal (13) 45c

tetradecimal (14) 3bb

pentadecimal (15) 353

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian): ψνγʹ
Mayan (base 20): 𝋡·𝋱·𝋭
Chinese: 七百五十三
Chinese (financial): 柒佰伍拾參

In other modern scripts

Eastern Arabic ٧٥٣ Devanagari ७५३ Bengali ৭৫৩ Tamil ௭௫௩ Thai ๗๕๓ Tibetan ༧༥༣ Khmer ៧៥៣ Lao ໗໕໓ Burmese ၇၅၃

Digit at this position in famous constants

π — Pi (π): Digit 753 = 1
e — Euler's number (e): Digit 753 = 7
φ — Golden ratio (φ): Digit 753 = 1
√2 — Pythagoras's (√2): Digit 753 = 0
ln 2 — Natural log of 2: Digit 753 = 1
γ — Euler-Mascheroni (γ): Digit 753 = 0

Also seen as

Unicode codepoint

Modifier Letter Low Left Arrowhead

U+02F1

Modifier symbol (Sk)

UTF-8 encoding: CB B1 (2 bytes).

Lookup U+02F1 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#0002F1

RGB(0, 2, 241)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.241.

Address: 0.0.2.241
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.2.241

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

NANP area code 753

The number 753 is an active NANP area code (North American Numbering Plan).

Primary area: Ottawa
Region: Ontario
Country: Canada

Most NANP area codes have multiple overlays in dense regions; the primary area listed is the historic/largest population center for this code.

Look up area code 753 ↗