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42,745

42,745 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 Evil Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
22
Digit product
1,120
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
54,724
Recamán's sequence
a(73,102) = 42,745
Square (n²)
1,827,135,025
Cube (n³)
78,100,886,643,625
Divisor count
8
σ(n) — sum of divisors
52,416
φ(n) — Euler's totient
33,456
Sum of prime factors
191

Primality

Prime factorization: 5 × 83 × 103

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

Divisors & multiples

All divisors (8)
1 · 5 · 83 · 103 · 415 · 515 · 8549 · 42745
Aliquot sum (sum of proper divisors): 9,671
Factor pairs (a × b = 42,745)
1 × 42745
5 × 8549
83 × 515
103 × 415
First multiples
42,745 · 85,490 (double) · 128,235 · 170,980 · 213,725 · 256,470 · 299,215 · 341,960 · 384,705 · 427,450

Sums & aliquot sequence

As consecutive integers: 21,372 + 21,373 8,547 + 8,548 + 8,549 + 8,550 + 8,551 4,270 + 4,271 + … + 4,279 474 + 475 + … + 556
Aliquot sequence: 42,745 9,671 529 24 36 55 17 1 0 — terminates at zero

Representations

In words
forty-two thousand seven hundred forty-five
Ordinal
42745th
Binary
1010011011111001
Octal
123371
Hexadecimal
0xA6F9
Base64
pvk=
One's complement
22,790 (16-bit)
In other bases
ternary (3) 2011122011
quaternary (4) 22123321
quinary (5) 2331440
senary (6) 525521
septenary (7) 235423
nonary (9) 64564
undecimal (11) 2a12a
duodecimal (12) 208a1
tridecimal (13) 165c1
tetradecimal (14) 11813
pentadecimal (15) c9ea

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβψμεʹ
Mayan (base 20)
𝋥·𝋦·𝋱·𝋥
Chinese
四萬二千七百四十五
Chinese (financial)
肆萬貳仟柒佰肆拾伍
In other modern scripts
Eastern Arabic ٤٢٧٤٥ Devanagari ४२७४५ Bengali ৪২৭৪৫ Tamil ௪௨௭௪௫ Thai ๔๒๗๔๕ Tibetan ༤༢༧༤༥ Khmer ៤២៧៤៥ Lao ໔໒໗໔໕ Burmese ၄၂၇၄၅

Digit at this position in famous constants

π — Pi (π)
Digit 42,745 = 8
e — Euler's number (e)
Digit 42,745 = 0
φ — Golden ratio (φ)
Digit 42,745 = 6
√2 — Pythagoras's (√2)
Digit 42,745 = 9
ln 2 — Natural log of 2
Digit 42,745 = 7
γ — Euler-Mascheroni (γ)
Digit 42,745 = 6

Also seen as

Hex color
#00A6F9
RGB(0, 166, 249)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.249.

Address
0.0.166.249
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.166.249

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

Position in π

The digit sequence 42745 first appears in π at position 110,243 of the decimal expansion (the 110,243ordinal-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.