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42,049

42,049 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.).
Arithmetic Number Deficient Number Odious Number Pernicious Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
19
Digit product
0
Digital root
1
Palindrome
No
Bit width
16 bits
Reversed
94,024
Recamán's sequence
a(151,525) = 42,049
Square (n²)
1,768,118,401
Cube (n³)
74,347,610,643,649
Divisor count
4
σ(n) — sum of divisors
48,064
φ(n) — Euler's totient
36,036
Sum of prime factors
6,014

Primality

Prime factorization: 7 × 6007

Nearest primes: 42,043 (−6) · 42,061 (+12)

Divisors & multiples

All divisors (4)
1 · 7 · 6007 · 42049
Aliquot sum (sum of proper divisors): 6,015
Factor pairs (a × b = 42,049)
1 × 42049
7 × 6007
First multiples
42,049 · 84,098 (double) · 126,147 · 168,196 · 210,245 · 252,294 · 294,343 · 336,392 · 378,441 · 420,490

Sums & aliquot sequence

As consecutive integers: 21,024 + 21,025 6,004 + 6,005 + … + 6,010 2,997 + 2,998 + … + 3,010
Aliquot sequence: 42,049 6,015 3,633 1,935 1,497 503 1 0 — terminates at zero

Representations

In words
forty-two thousand forty-nine
Ordinal
42049th
Binary
1010010001000001
Octal
122101
Hexadecimal
0xA441
Base64
pEE=
One's complement
23,486 (16-bit)
In other bases
ternary (3) 2010200101
quaternary (4) 22101001
quinary (5) 2321144
senary (6) 522401
septenary (7) 233410
nonary (9) 63611
undecimal (11) 29657
duodecimal (12) 20401
tridecimal (13) 161a7
tetradecimal (14) 11477
pentadecimal (15) c6d4

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβμθʹ
Mayan (base 20)
𝋥·𝋥·𝋢·𝋩
Chinese
四萬二千零四十九
Chinese (financial)
肆萬貳仟零肆拾玖
In other modern scripts
Eastern Arabic ٤٢٠٤٩ Devanagari ४२०४९ Bengali ৪২০৪৯ Tamil ௪௨௦௪௯ Thai ๔๒๐๔๙ Tibetan ༤༢༠༤༩ Khmer ៤២០៤៩ Lao ໔໒໐໔໙ Burmese ၄၂၀၄၉

Digit at this position in famous constants

π — Pi (π)
Digit 42,049 = 7
e — Euler's number (e)
Digit 42,049 = 0
φ — Golden ratio (φ)
Digit 42,049 = 0
√2 — Pythagoras's (√2)
Digit 42,049 = 3
ln 2 — Natural log of 2
Digit 42,049 = 5
γ — Euler-Mascheroni (γ)
Digit 42,049 = 1

Also seen as

Unicode codepoint
Yi Syllable Njup
U+A441
Other letter (Lo)

UTF-8 encoding: EA 91 81 (3 bytes).

Hex color
#00A441
RGB(0, 164, 65)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.65.

Address
0.0.164.65
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.65

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

Position in π

The digit sequence 42049 first appears in π at position 18,545 of the decimal expansion (the 18,545ordinal-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.