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42,606

42,606 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.).
Abundant Number Harshad / Niven Odious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
18
Digit product
0
Digital root
9
Palindrome
No
Bit width
16 bits
Reversed
60,624
Recamán's sequence
a(12,080) = 42,606
Square (n²)
1,815,271,236
Cube (n³)
77,341,446,281,016
Divisor count
20
σ(n) — sum of divisors
95,832
φ(n) — Euler's totient
14,148
Sum of prime factors
277

Primality

Prime factorization: 2 × 3 4 × 263

Nearest primes: 42,589 (−17) · 42,611 (+5)

Divisors & multiples

All divisors (20)
1 · 2 · 3 · 6 · 9 · 18 · 27 · 54 · 81 · 162 · 263 · 526 · 789 · 1578 · 2367 · 4734 · 7101 · 14202 · 21303 (half) · 42606
Aliquot sum (sum of proper divisors): 53,226
Factor pairs (a × b = 42,606)
1 × 42606
2 × 21303
3 × 14202
6 × 7101
9 × 4734
18 × 2367
27 × 1578
54 × 789
81 × 526
162 × 263
First multiples
42,606 · 85,212 (double) · 127,818 · 170,424 · 213,030 · 255,636 · 298,242 · 340,848 · 383,454 · 426,060

Sums & aliquot sequence

As consecutive integers: 14,201 + 14,202 + 14,203 10,650 + 10,651 + 10,652 + 10,653 4,730 + 4,731 + … + 4,738 3,545 + 3,546 + … + 3,556
Aliquot sequence: 42,606 53,226 62,136 106,344 224,376 336,624 533,112 819,288 1,457,112 2,225,688 3,338,592 5,551,968 9,156,768 14,880,000 36,203,648 41,472,412 33,066,108 — unresolved within range

Representations

In words
forty-two thousand six hundred six
Ordinal
42606th
Binary
1010011001101110
Octal
123156
Hexadecimal
0xA66E
Base64
pm4=
One's complement
22,929 (16-bit)
In other bases
ternary (3) 2011110000
quaternary (4) 22121232
quinary (5) 2330411
senary (6) 525130
septenary (7) 235134
nonary (9) 64400
undecimal (11) 2a013
duodecimal (12) 207a6
tridecimal (13) 16515
tetradecimal (14) 11754
pentadecimal (15) c956

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβχϛʹ
Mayan (base 20)
𝋥·𝋦·𝋪·𝋦
Chinese
四萬二千六百零六
Chinese (financial)
肆萬貳仟陸佰零陸
In other modern scripts
Eastern Arabic ٤٢٦٠٦ Devanagari ४२६०६ Bengali ৪২৬০৬ Tamil ௪௨௬௦௬ Thai ๔๒๖๐๖ Tibetan ༤༢༦༠༦ Khmer ៤២៦០៦ Lao ໔໒໖໐໖ Burmese ၄၂၆၀၆

Digit at this position in famous constants

π — Pi (π)
Digit 42,606 = 2
e — Euler's number (e)
Digit 42,606 = 4
φ — Golden ratio (φ)
Digit 42,606 = 5
√2 — Pythagoras's (√2)
Digit 42,606 = 5
ln 2 — Natural log of 2
Digit 42,606 = 8
γ — Euler-Mascheroni (γ)
Digit 42,606 = 1

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42606, here are decompositions:

  • 17 + 42589 = 42606
  • 29 + 42577 = 42606
  • 37 + 42569 = 42606
  • 73 + 42533 = 42606
  • 97 + 42509 = 42606
  • 107 + 42499 = 42606
  • 139 + 42467 = 42606
  • 149 + 42457 = 42606

Showing the first eight; more decompositions exist.

Unicode codepoint
Cyrillic Letter Multiocular O
U+A66E
Other letter (Lo)

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

Hex color
#00A66E
RGB(0, 166, 110)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.110.

Address
0.0.166.110
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.166.110

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

Position in π

The digit sequence 42606 first appears in π at position 42,433 of the decimal expansion (the 42,433ordinal-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.