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42,201

42,201 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.).
Deficient Number Evil Number Harshad / Niven Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
16 bits
Reversed
10,224
Recamán's sequence
a(151,221) = 42,201
Square (n²)
1,780,924,401
Cube (n³)
75,156,790,646,601
Divisor count
10
σ(n) — sum of divisors
63,162
φ(n) — Euler's totient
28,080
Sum of prime factors
533

Primality

Prime factorization: 3 4 × 521

Nearest primes: 42,197 (−4) · 42,209 (+8)

Divisors & multiples

All divisors (10)
1 · 3 · 9 · 27 · 81 · 521 · 1563 · 4689 · 14067 · 42201
Aliquot sum (sum of proper divisors): 20,961
Factor pairs (a × b = 42,201)
1 × 42201
3 × 14067
9 × 4689
27 × 1563
81 × 521
First multiples
42,201 · 84,402 (double) · 126,603 · 168,804 · 211,005 · 253,206 · 295,407 · 337,608 · 379,809 · 422,010

Sums & aliquot sequence

As a sum of two squares: 99² + 180²
As consecutive integers: 21,100 + 21,101 14,066 + 14,067 + 14,068 7,031 + 7,032 + 7,033 + 7,034 + 7,035 + 7,036 4,685 + 4,686 + … + 4,693
Aliquot sequence: 42,201 20,961 11,331 5,049 3,591 2,809 54 66 78 90 144 259 45 33 15 9 4 — unresolved within range

Representations

In words
forty-two thousand two hundred one
Ordinal
42201st
Binary
1010010011011001
Octal
122331
Hexadecimal
0xA4D9
Base64
pNk=
One's complement
23,334 (16-bit)
In other bases
ternary (3) 2010220000
quaternary (4) 22103121
quinary (5) 2322301
senary (6) 523213
septenary (7) 234015
nonary (9) 63800
undecimal (11) 29785
duodecimal (12) 20509
tridecimal (13) 16293
tetradecimal (14) 11545
pentadecimal (15) c786

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓏺
Greek (Milesian)
͵μβσαʹ
Mayan (base 20)
𝋥·𝋥·𝋪·𝋡
Chinese
四萬二千二百零一
Chinese (financial)
肆萬貳仟貳佰零壹
In other modern scripts
Eastern Arabic ٤٢٢٠١ Devanagari ४२२०१ Bengali ৪২২০১ Tamil ௪௨௨௦௧ Thai ๔๒๒๐๑ Tibetan ༤༢༢༠༡ Khmer ៤២២០១ Lao ໔໒໒໐໑ Burmese ၄၂၂၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 42,201 = 1
e — Euler's number (e)
Digit 42,201 = 9
φ — Golden ratio (φ)
Digit 42,201 = 5
√2 — Pythagoras's (√2)
Digit 42,201 = 9
ln 2 — Natural log of 2
Digit 42,201 = 2
γ — Euler-Mascheroni (γ)
Digit 42,201 = 8

Also seen as

Unicode codepoint
Lisu Letter Ja
U+A4D9
Other letter (Lo)

UTF-8 encoding: EA 93 99 (3 bytes).

Hex color
#00A4D9
RGB(0, 164, 217)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.217.

Address
0.0.164.217
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.217

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

Position in π

The digit sequence 42201 first appears in π at position 69,742 of the decimal expansion (the 69,742ordinal-suffix:nd 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.