Live analysis

42,489

42,489 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

42,489 (forty-two thousand four hundred eighty-nine) is an odd 5-digit number. It is a composite number with 6 divisors, and factors as 3² × 4,721. Written other ways, in hexadecimal, 0xA5F9.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence

Interestingness

★ ☆ ☆ ☆ ☆

3 notable facts · grade F

42,477 42,478 42,479 42,480 42,481 42,482 42,483 42,484 42,485 42,486 42,487 42,488 42,489 42,490 42,491 42,492 42,493 42,494 42,495 42,496 42,497 42,498 42,499 42,500 42,501

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 27
Digit product: 2,304
Digital root: 9
Palindrome: No
Bit width: 16 bits
Reversed: 98,424
Recamán's sequence: a(150,645) = 42,489
Square (n²): 1,805,315,121
Cube (n³): 76,706,034,176,169
Divisor count: 6
σ(n) — sum of divisors: 61,386
φ(n) — Euler's totient: 28,320
Sum of prime factors: 4,727

Primality

Prime factorization: 3 ² × 4721

Nearest primes: 42,487 (−2) · 42,491 (+2)

Divisors & multiples

All divisors (6)

1 · 3 · 9 · 4721 · 14163 · 42489

Aliquot sum (sum of proper divisors): 18,897

Factor pairs (a × b = 42,489)

1 × 42489

3 × 14163

9 × 4721

First multiples

42,489 · 84,978 (double) · 127,467 · 169,956 · 212,445 · 254,934 · 297,423 · 339,912 · 382,401 · 424,890

Sums & aliquot sequence

As a sum of two squares: 75² + 192²

As consecutive integers: 21,244 + 21,245 14,162 + 14,163 + 14,164 7,079 + 7,080 + 7,081 + 7,082 + 7,083 + 7,084 4,717 + 4,718 + … + 4,725

Aliquot sequence: 42,489 → 18,897 → 6,303 → 2,913 → 975 → 761 → 1 → 0 — terminates at zero

Continued fraction of √n

√42,489 = [206; (7, 1, 3, 2, 6, 1, 1, 5, 8, 1, 50, 1, 1, 1, 3, 1, 2, 12, 1, 15, 1, 1, 3, 2, …)]

Representations

In words: forty-two thousand four hundred eighty-nine
Ordinal: 42489th
Binary: 1010010111111001
Octal: 122771
Hexadecimal: 0xA5F9
Base64: pfk=
One's complement: 23,046 (16-bit)
Scientific notation: 4.2489 × 10⁴
As a duration: 42,489 s = 11 hours, 48 minutes, 9 seconds

In other bases

ternary (3) 2011021200

quaternary (4) 22113321

quinary (5) 2324424

senary (6) 524413

septenary (7) 234606

nonary (9) 64250

undecimal (11) 29a17

duodecimal (12) 20709

tridecimal (13) 16455

tetradecimal (14) 116ad

pentadecimal (15) c8c9

As an angle

42,489° = 118 × 360° + 9°

9° ≈ 0.157 rad

Compass bearing: N (north)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian): ͵μβυπθʹ
Mayan (base 20): 𝋥·𝋦·𝋤·𝋩
Chinese: 四萬二千四百八十九
Chinese (financial): 肆萬貳仟肆佰捌拾玖

In other modern scripts

Eastern Arabic ٤٢٤٨٩ Devanagari ४२४८९ Bengali ৪২৪৮৯ Tamil ௪௨௪௮௯ Thai ๔๒๔๘๙ Tibetan ༤༢༤༨༩ Khmer ៤២៤៨៩ Lao ໔໒໔໘໙ Burmese ၄၂၄၈၉

Digit at this position in famous constants

π — Pi (π): Digit 42,489 = 9
e — Euler's number (e): Digit 42,489 = 8
φ — Golden ratio (φ): Digit 42,489 = 8
√2 — Pythagoras's (√2): Digit 42,489 = 0
ln 2 — Natural log of 2: Digit 42,489 = 9
γ — Euler-Mascheroni (γ): Digit 42,489 = 2

Also seen as

Unicode codepoint

ꗹ

Vai Syllable De

U+A5F9

Other letter (Lo)

UTF-8 encoding: EA 97 B9 (3 bytes).

Lookup U+A5F9 on Compart ↗ Lookup on FileFormat.Info ↗

Hex color

#00A5F9

RGB(0, 165, 249)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.249.

Address: 0.0.165.249
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.165.249

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

Position in π

The digit sequence 42489 first appears in π at position 7,189 of the decimal expansion (the 7,189ordinal-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 42489 on Pi Search ↗