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42,250

42,250 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 Evil Number Happy Number Harshad / Niven Recamán's Sequence Self Number Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
5,224
Recamán's sequence
a(151,123) = 42,250
Square (n²)
1,785,062,500
Cube (n³)
75,418,890,625,000
Divisor count
24
σ(n) — sum of divisors
85,644
φ(n) — Euler's totient
15,600
Sum of prime factors
43

Primality

Prime factorization: 2 × 5 3 × 13 2

Nearest primes: 42,239 (−11) · 42,257 (+7)

Divisors & multiples

All divisors (24)
1 · 2 · 5 · 10 · 13 · 25 · 26 · 50 · 65 · 125 · 130 · 169 · 250 · 325 · 338 · 650 · 845 · 1625 · 1690 · 3250 · 4225 · 8450 · 21125 (half) · 42250
Aliquot sum (sum of proper divisors): 43,394
Factor pairs (a × b = 42,250)
1 × 42250
2 × 21125
5 × 8450
10 × 4225
13 × 3250
25 × 1690
26 × 1625
50 × 845
65 × 650
125 × 338
130 × 325
169 × 250
First multiples
42,250 · 84,500 (double) · 126,750 · 169,000 · 211,250 · 253,500 · 295,750 · 338,000 · 380,250 · 422,500

Sums & aliquot sequence

As a sum of two squares: 15² + 205² = 43² + 201² = 65² + 195² = 111² + 173²
As consecutive integers: 10,561 + 10,562 + 10,563 + 10,564 8,448 + 8,449 + 8,450 + 8,451 + 8,452 3,244 + 3,245 + … + 3,256 2,103 + 2,104 + … + 2,122
Aliquot sequence: 42,250 43,394 26,746 14,438 7,222 4,154 2,374 1,190 1,402 704 820 944 916 694 350 394 200 — unresolved within range

Representations

In words
forty-two thousand two hundred fifty
Ordinal
42250th
Binary
1010010100001010
Octal
122412
Hexadecimal
0xA50A
Base64
pQo=
One's complement
23,285 (16-bit)
In other bases
ternary (3) 2010221211
quaternary (4) 22110022
quinary (5) 2323000
senary (6) 523334
septenary (7) 234115
nonary (9) 63854
undecimal (11) 2981a
duodecimal (12) 2054a
tridecimal (13) 16300
tetradecimal (14) 1157c
pentadecimal (15) c7ba

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆
Greek (Milesian)
͵μβσνʹ
Mayan (base 20)
𝋥·𝋥·𝋬·𝋪
Chinese
四萬二千二百五十
Chinese (financial)
肆萬貳仟貳佰伍拾
In other modern scripts
Eastern Arabic ٤٢٢٥٠ Devanagari ४२२५० Bengali ৪২২৫০ Tamil ௪௨௨௫௦ Thai ๔๒๒๕๐ Tibetan ༤༢༢༥༠ Khmer ៤២២៥០ Lao ໔໒໒໕໐ Burmese ၄၂၂၅၀

Digit at this position in famous constants

π — Pi (π)
Digit 42,250 = 3
e — Euler's number (e)
Digit 42,250 = 4
φ — Golden ratio (φ)
Digit 42,250 = 9
√2 — Pythagoras's (√2)
Digit 42,250 = 7
ln 2 — Natural log of 2
Digit 42,250 = 8
γ — Euler-Mascheroni (γ)
Digit 42,250 = 4

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42250, here are decompositions:

  • 11 + 42239 = 42250
  • 23 + 42227 = 42250
  • 29 + 42221 = 42250
  • 41 + 42209 = 42250
  • 53 + 42197 = 42250
  • 71 + 42179 = 42250
  • 149 + 42101 = 42250
  • 167 + 42083 = 42250

Showing the first eight; more decompositions exist.

Unicode codepoint
Vai Syllable Mgbee
U+A50A
Other letter (Lo)

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

Hex color
#00A50A
RGB(0, 165, 10)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.10.

Address
0.0.165.10
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.165.10

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

Position in π

The digit sequence 42250 first appears in π at position 225,992 of the decimal expansion (the 225,992ordinal-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.