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42,749

42,749 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 Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digit product
2,016
Digital root
8
Palindrome
No
Bit width
16 bits
Reversed
94,724
Recamán's sequence
a(73,094) = 42,749
Square (n²)
1,827,477,001
Cube (n³)
78,122,814,315,749
Divisor count
8
σ(n) — sum of divisors
50,688
φ(n) — Euler's totient
35,280
Sum of prime factors
235

Primality

Prime factorization: 7 × 31 × 197

Nearest primes: 42,743 (−6) · 42,751 (+2)

Divisors & multiples

All divisors (8)
1 · 7 · 31 · 197 · 217 · 1379 · 6107 · 42749
Aliquot sum (sum of proper divisors): 7,939
Factor pairs (a × b = 42,749)
1 × 42749
7 × 6107
31 × 1379
197 × 217
First multiples
42,749 · 85,498 (double) · 128,247 · 170,996 · 213,745 · 256,494 · 299,243 · 341,992 · 384,741 · 427,490

Sums & aliquot sequence

As consecutive integers: 21,374 + 21,375 6,104 + 6,105 + … + 6,110 3,047 + 3,048 + … + 3,060 1,364 + 1,365 + … + 1,394
Aliquot sequence: 42,749 7,939 485 103 1 0 — terminates at zero

Representations

In words
forty-two thousand seven hundred forty-nine
Ordinal
42749th
Binary
1010011011111101
Octal
123375
Hexadecimal
0xA6FD
Base64
pv0=
One's complement
22,786 (16-bit)
In other bases
ternary (3) 2011122022
quaternary (4) 22123331
quinary (5) 2331444
senary (6) 525525
septenary (7) 235430
nonary (9) 64568
undecimal (11) 2a133
duodecimal (12) 208a5
tridecimal (13) 165c5
tetradecimal (14) 11817
pentadecimal (15) c9ee

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβψμθʹ
Mayan (base 20)
𝋥·𝋦·𝋱·𝋩
Chinese
四萬二千七百四十九
Chinese (financial)
肆萬貳仟柒佰肆拾玖
In other modern scripts
Eastern Arabic ٤٢٧٤٩ Devanagari ४२७४९ Bengali ৪২৭৪৯ Tamil ௪௨௭௪௯ Thai ๔๒๗๔๙ Tibetan ༤༢༧༤༩ Khmer ៤២៧៤៩ Lao ໔໒໗໔໙ Burmese ၄၂၇၄၉

Digit at this position in famous constants

π — Pi (π)
Digit 42,749 = 5
e — Euler's number (e)
Digit 42,749 = 0
φ — Golden ratio (φ)
Digit 42,749 = 7
√2 — Pythagoras's (√2)
Digit 42,749 = 6
ln 2 — Natural log of 2
Digit 42,749 = 4
γ — Euler-Mascheroni (γ)
Digit 42,749 = 8

Also seen as

Hex color
#00A6FD
RGB(0, 166, 253)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.253.

Address
0.0.166.253
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.166.253

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

Position in π

The digit sequence 42749 first appears in π at position 94,743 of the decimal expansion (the 94,743ordinal-suffix:rd 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.