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42,421

42,421 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 Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
64
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
12,424
Recamán's sequence
a(150,781) = 42,421
Square (n²)
1,799,541,241
Cube (n³)
76,338,338,984,461
Divisor count
4
σ(n) — sum of divisors
43,200
φ(n) — Euler's totient
41,644
Sum of prime factors
778

Primality

Prime factorization: 59 × 719

Nearest primes: 42,409 (−12) · 42,433 (+12)

Divisors & multiples

All divisors (4)
1 · 59 · 719 · 42421
Aliquot sum (sum of proper divisors): 779
Factor pairs (a × b = 42,421)
1 × 42421
59 × 719
First multiples
42,421 · 84,842 (double) · 127,263 · 169,684 · 212,105 · 254,526 · 296,947 · 339,368 · 381,789 · 424,210

Sums & aliquot sequence

As consecutive integers: 21,210 + 21,211 690 + 691 + … + 748 301 + 302 + … + 418
Aliquot sequence: 42,421 779 61 1 0 — terminates at zero

Representations

In words
forty-two thousand four hundred twenty-one
Ordinal
42421st
Binary
1010010110110101
Octal
122665
Hexadecimal
0xA5B5
Base64
pbU=
One's complement
23,114 (16-bit)
In other bases
ternary (3) 2011012011
quaternary (4) 22112311
quinary (5) 2324141
senary (6) 524221
septenary (7) 234451
nonary (9) 64164
undecimal (11) 29965
duodecimal (12) 20671
tridecimal (13) 16402
tetradecimal (14) 11661
pentadecimal (15) c881

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵μβυκαʹ
Mayan (base 20)
𝋥·𝋦·𝋡·𝋡
Chinese
四萬二千四百二十一
Chinese (financial)
肆萬貳仟肆佰貳拾壹
In other modern scripts
Eastern Arabic ٤٢٤٢١ Devanagari ४२४२१ Bengali ৪২৪২১ Tamil ௪௨௪௨௧ Thai ๔๒๔๒๑ Tibetan ༤༢༤༢༡ Khmer ៤២៤២១ Lao ໔໒໔໒໑ Burmese ၄၂၄၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 42,421 = 6
e — Euler's number (e)
Digit 42,421 = 4
φ — Golden ratio (φ)
Digit 42,421 = 3
√2 — Pythagoras's (√2)
Digit 42,421 = 2
ln 2 — Natural log of 2
Digit 42,421 = 9
γ — Euler-Mascheroni (γ)
Digit 42,421 = 4

Also seen as

Unicode codepoint
Vai Syllable Nggu
U+A5B5
Other letter (Lo)

UTF-8 encoding: EA 96 B5 (3 bytes).

Hex color
#00A5B5
RGB(0, 165, 181)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.181.

Address
0.0.165.181
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.165.181

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

Position in π

The digit sequence 42421 first appears in π at position 41,170 of the decimal expansion (the 41,170ordinal-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.