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42,010

42,010 is a composite number, even.

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 Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Even
Digit count
5
Digit sum
7
Digit product
0
Digital root
7
Palindrome
No
Bit width
16 bits
Reversed
1,024
Recamán's sequence
a(151,603) = 42,010
Square (n²)
1,764,840,100
Cube (n³)
74,140,932,601,000
Divisor count
8
σ(n) — sum of divisors
75,636
φ(n) — Euler's totient
16,800
Sum of prime factors
4,208

Primality

Prime factorization: 2 × 5 × 4201

Nearest primes: 41,999 (−11) · 42,013 (+3)

Divisors & multiples

All divisors (8)
1 · 2 · 5 · 10 · 4201 · 8402 · 21005 (half) · 42010
Aliquot sum (sum of proper divisors): 33,626
Factor pairs (a × b = 42,010)
1 × 42010
2 × 21005
5 × 8402
10 × 4201
First multiples
42,010 · 84,020 (double) · 126,030 · 168,040 · 210,050 · 252,060 · 294,070 · 336,080 · 378,090 · 420,100

Sums & aliquot sequence

As a sum of two squares: 69² + 193² = 113² + 171²
As consecutive integers: 10,501 + 10,502 + 10,503 + 10,504 8,400 + 8,401 + 8,402 + 8,403 + 8,404 2,091 + 2,092 + … + 2,110
Aliquot sequence: 42,010 33,626 23,398 11,702 5,854 2,930 2,362 1,184 1,210 1,184 — enters a cycle

Representations

In words
forty-two thousand ten
Ordinal
42010th
Binary
1010010000011010
Octal
122032
Hexadecimal
0xA41A
Base64
pBo=
One's complement
23,525 (16-bit)
In other bases
ternary (3) 2010121221
quaternary (4) 22100122
quinary (5) 2321020
senary (6) 522254
septenary (7) 233323
nonary (9) 63557
undecimal (11) 29621
duodecimal (12) 2038a
tridecimal (13) 16177
tetradecimal (14) 1144a
pentadecimal (15) c6aa

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓎆
Greek (Milesian)
͵μβιʹ
Mayan (base 20)
𝋥·𝋥·𝋠·𝋪
Chinese
四萬二千零一十
Chinese (financial)
肆萬貳仟零壹拾
In other modern scripts
Eastern Arabic ٤٢٠١٠ Devanagari ४२०१० Bengali ৪২০১০ Tamil ௪௨௦௧௦ Thai ๔๒๐๑๐ Tibetan ༤༢༠༡༠ Khmer ៤២០១០ Lao ໔໒໐໑໐ Burmese ၄၂၀၁၀

Digit at this position in famous constants

π — Pi (π)
Digit 42,010 = 8
e — Euler's number (e)
Digit 42,010 = 3
φ — Golden ratio (φ)
Digit 42,010 = 6
√2 — Pythagoras's (√2)
Digit 42,010 = 7
ln 2 — Natural log of 2
Digit 42,010 = 6
γ — Euler-Mascheroni (γ)
Digit 42,010 = 5

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42010, here are decompositions:

  • 11 + 41999 = 42010
  • 29 + 41981 = 42010
  • 41 + 41969 = 42010
  • 53 + 41957 = 42010
  • 83 + 41927 = 42010
  • 107 + 41903 = 42010
  • 113 + 41897 = 42010
  • 131 + 41879 = 42010

Showing the first eight; more decompositions exist.

Unicode codepoint
Yi Syllable Jji
U+A41A
Other letter (Lo)

UTF-8 encoding: EA 90 9A (3 bytes).

Hex color
#00A41A
RGB(0, 164, 26)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.26.

Address
0.0.164.26
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.26

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

Position in π

The digit sequence 42010 first appears in π at position 180,511 of the decimal expansion (the 180,511ordinal-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.