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42,997

42,997 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 Harshad / Niven Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
31
Digit product
4,536
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
79,924
Recamán's sequence
a(72,598) = 42,997
Square (n²)
1,848,742,009
Cube (n³)
79,490,360,160,973
Divisor count
8
σ(n) — sum of divisors
47,360
φ(n) — Euler's totient
38,880
Sum of prime factors
123

Primality

Prime factorization: 19 × 31 × 73

Nearest primes: 42,989 (−8) · 43,003 (+6)

Divisors & multiples

All divisors (8)
1 · 19 · 31 · 73 · 589 · 1387 · 2263 · 42997
Aliquot sum (sum of proper divisors): 4,363
Factor pairs (a × b = 42,997)
1 × 42997
19 × 2263
31 × 1387
73 × 589
First multiples
42,997 · 85,994 (double) · 128,991 · 171,988 · 214,985 · 257,982 · 300,979 · 343,976 · 386,973 · 429,970

Sums & aliquot sequence

As consecutive integers: 21,498 + 21,499 2,254 + 2,255 + … + 2,272 1,372 + 1,373 + … + 1,402 1,113 + 1,114 + … + 1,150
Aliquot sequence: 42,997 4,363 1 0 — terminates at zero

Representations

In words
forty-two thousand nine hundred ninety-seven
Ordinal
42997th
Binary
1010011111110101
Octal
123765
Hexadecimal
0xA7F5
Base64
p/U=
One's complement
22,538 (16-bit)
In other bases
ternary (3) 2011222111
quaternary (4) 22133311
quinary (5) 2333442
senary (6) 531021
septenary (7) 236233
nonary (9) 64874
undecimal (11) 2a339
duodecimal (12) 20a71
tridecimal (13) 16756
tetradecimal (14) 11953
pentadecimal (15) cb17

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβϡϟζʹ
Mayan (base 20)
𝋥·𝋧·𝋩·𝋱
Chinese
四萬二千九百九十七
Chinese (financial)
肆萬貳仟玖佰玖拾柒
In other modern scripts
Eastern Arabic ٤٢٩٩٧ Devanagari ४२९९७ Bengali ৪২৯৯৭ Tamil ௪௨௯௯௭ Thai ๔๒๙๙๗ Tibetan ༤༢༩༩༧ Khmer ៤២៩៩៧ Lao ໔໒໙໙໗ Burmese ၄၂၉၉၇

Digit at this position in famous constants

π — Pi (π)
Digit 42,997 = 0
e — Euler's number (e)
Digit 42,997 = 0
φ — Golden ratio (φ)
Digit 42,997 = 7
√2 — Pythagoras's (√2)
Digit 42,997 = 7
ln 2 — Natural log of 2
Digit 42,997 = 6
γ — Euler-Mascheroni (γ)
Digit 42,997 = 9

Also seen as

Unicode codepoint
Latin Capital Letter Reversed Half H
U+A7F5
Uppercase letter (Lu)

UTF-8 encoding: EA 9F B5 (3 bytes).

Hex color
#00A7F5
RGB(0, 167, 245)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.245.

Address
0.0.167.245
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.167.245

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

Position in π

The digit sequence 42997 first appears in π at position 157,425 of the decimal expansion (the 157,425ordinal-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.