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42,261

42,261 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 Self Number Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
15
Digit product
96
Digital root
6
Palindrome
No
Bit width
16 bits
Reversed
16,224
Recamán's sequence
a(151,101) = 42,261
Square (n²)
1,785,992,121
Cube (n³)
75,477,813,025,581
Divisor count
4
σ(n) — sum of divisors
56,352
φ(n) — Euler's totient
28,172
Sum of prime factors
14,090

Primality

Prime factorization: 3 × 14087

Nearest primes: 42,257 (−4) · 42,281 (+20)

Divisors & multiples

All divisors (4)
1 · 3 · 14087 · 42261
Aliquot sum (sum of proper divisors): 14,091
Factor pairs (a × b = 42,261)
1 × 42261
3 × 14087
First multiples
42,261 · 84,522 (double) · 126,783 · 169,044 · 211,305 · 253,566 · 295,827 · 338,088 · 380,349 · 422,610

Sums & aliquot sequence

As consecutive integers: 21,130 + 21,131 14,086 + 14,087 + 14,088 7,041 + 7,042 + 7,043 + 7,044 + 7,045 + 7,046
Aliquot sequence: 42,261 14,091 9,717 3,723 1,605 987 549 257 1 0 — terminates at zero

Representations

In words
forty-two thousand two hundred sixty-one
Ordinal
42261st
Binary
1010010100010101
Octal
122425
Hexadecimal
0xA515
Base64
pRU=
One's complement
23,274 (16-bit)
In other bases
ternary (3) 2010222020
quaternary (4) 22110111
quinary (5) 2323021
senary (6) 523353
septenary (7) 234132
nonary (9) 63866
undecimal (11) 2982a
duodecimal (12) 20559
tridecimal (13) 1630b
tetradecimal (14) 11589
pentadecimal (15) c7c6

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵μβσξαʹ
Mayan (base 20)
𝋥·𝋥·𝋭·𝋡
Chinese
四萬二千二百六十一
Chinese (financial)
肆萬貳仟貳佰陸拾壹
In other modern scripts
Eastern Arabic ٤٢٢٦١ Devanagari ४२२६१ Bengali ৪২২৬১ Tamil ௪௨௨௬௧ Thai ๔๒๒๖๑ Tibetan ༤༢༢༦༡ Khmer ៤២២៦១ Lao ໔໒໒໖໑ Burmese ၄၂၂၆၁

Digit at this position in famous constants

π — Pi (π)
Digit 42,261 = 2
e — Euler's number (e)
Digit 42,261 = 9
φ — Golden ratio (φ)
Digit 42,261 = 1
√2 — Pythagoras's (√2)
Digit 42,261 = 1
ln 2 — Natural log of 2
Digit 42,261 = 3
γ — Euler-Mascheroni (γ)
Digit 42,261 = 7

Also seen as

Unicode codepoint
Vai Syllable Ndee
U+A515
Other letter (Lo)

UTF-8 encoding: EA 94 95 (3 bytes).

Hex color
#00A515
RGB(0, 165, 21)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.21.

Address
0.0.165.21
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.165.21

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

Position in π

The digit sequence 42261 first appears in π at position 97,493 of the decimal expansion (the 97,493ordinal-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.