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Number

539

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

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

Historical context — 539 AD

Calendar year

Year 539 (DXXXIX) was a common year of the Julian calendar.

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

Notable events — 539 BC

Undated Cyrus the Great of Persia captures Babylon, ending Neo-Babylonian rule.

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, 539
Ended on: Thursday
December 31, 539
Friday the 13ths: 3
3 Friday the 13ths this year.
Decade: 530s
530–539
Century: 6th century
501–600
Millennium: 1st millennium
1–1000
Years ago: 1,487
1487 years before 2026.

In other calendars

Hebrew: 4299 / 4300 AM
Rosh Hashanah falls in September/October.
Chinese: Year of the zodiac:Earth zodiac:Goat
Sexagenary cycle position 56 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era: 1082 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Ethiopian: 531 / 532 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka): 461 / 460 Saka
Indian national calendar; year starts in March.

Properties

Parity: Odd
Digit count: 3
Digit sum: 17
Digit product: 135
Digital root: 8
Palindrome: No
Bit width: 10 bits
Reversed: 935
Recamán's sequence: a(1,181) = 539
Square (n²): 290,521
Cube (n³): 156,590,819
Divisor count: 6
σ(n) — sum of divisors: 684
φ(n) — Euler's totient: 420
Sum of prime factors: 25

Primality

Prime factorization: 7 ² × 11

Nearest primes: 523 (−16) · 541 (+2)

Divisors & multiples

All divisors (6)

1 · 7 · 11 · 49 · 77 · 539

Aliquot sum (sum of proper divisors): 145

Factor pairs (a × b = 539)

1 × 539

7 × 77

11 × 49

First multiples

539 · 1,078 (double) · 1,617 · 2,156 · 2,695 · 3,234 · 3,773 · 4,312 · 4,851 · 5,390

Sums & aliquot sequence

As consecutive integers: 269 + 270 74 + 75 + … + 80 44 + 45 + … + 54 32 + 33 + … + 45

Aliquot sequence: 539 → 145 → 35 → 13 → 1 → 0 — terminates at zero

Representations

In words: five hundred thirty-nine
Ordinal: 539th
Roman numeral: DXXXIX
Binary: 1000011011
Octal: 1033
Hexadecimal: 0x21B
Base64: Ahs=
One's complement: 64,996 (16-bit)

In other bases

ternary (3) 201222

quaternary (4) 20123

quinary (5) 4124

senary (6) 2255

septenary (7) 1400

nonary (9) 658

undecimal (11) 450

duodecimal (12) 38b

tridecimal (13) 326

tetradecimal (14) 2a7

pentadecimal (15) 25e

Historical numeral systems

Babylonian (base 60): 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): φλθʹ
Mayan (base 20): 𝋡·𝋦·𝋳
Chinese: 五百三十九
Chinese (financial): 伍佰參拾玖

In other modern scripts

Eastern Arabic ٥٣٩ Devanagari ५३९ Bengali ৫৩৯ Tamil ௫௩௯ Thai ๕๓๙ Tibetan ༥༣༩ Khmer ៥៣៩ Lao ໕໓໙ Burmese ၅၃၉

Digit at this position in famous constants

π — Pi (π): Digit 539 = 7
e — Euler's number (e): Digit 539 = 1
φ — Golden ratio (φ): Digit 539 = 5
√2 — Pythagoras's (√2): Digit 539 = 6
ln 2 — Natural log of 2: Digit 539 = 6
γ — Euler-Mascheroni (γ): Digit 539 = 2

Also seen as

Unicode codepoint

ț

Latin Small Letter T With Comma Below

U+021B

Lowercase letter (Ll)

UTF-8 encoding: C8 9B (2 bytes).

Lookup U+021B on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00021B

RGB(0, 2, 27)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.2.27.

Address: 0.0.2.27
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.2.27

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

NANP area code 539

The number 539 is an active NANP area code (North American Numbering Plan).

Primary area: Tulsa
Region: Oklahoma
Country: United States

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 539 ↗