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Number

42,979

42,979 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Evil Number Prime Recamán's Sequence Self 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
97,924
Recamán's sequence
a(72,634) = 42,979
Square (n²)
1,847,194,441
Cube (n³)
79,390,569,879,739
Divisor count
2
σ(n) — sum of divisors
42,980
φ(n) — Euler's totient
42,978

Primality

42,979 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 42979
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 42,979)
1 × 42979
First multiples
42,979 · 85,958 (double) · 128,937 · 171,916 · 214,895 · 257,874 · 300,853 · 343,832 · 386,811 · 429,790

Sums & aliquot sequence

As consecutive integers: 21,489 + 21,490

Representations

In words
forty-two thousand nine hundred seventy-nine
Ordinal
42979th
Binary
1010011111100011
Octal
123743
Hexadecimal
0xA7E3
Base64
p+M=
One's complement
22,556 (16-bit)
In other bases
ternary (3) 2011221211
quaternary (4) 22133203
quinary (5) 2333404
senary (6) 530551
septenary (7) 236206
nonary (9) 64854
undecimal (11) 2a322
duodecimal (12) 20a57
tridecimal (13) 16741
tetradecimal (14) 1193d
pentadecimal (15) cb04

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβϡοθʹ
Mayan (base 20)
𝋥·𝋧·𝋨·𝋳
Chinese
四萬二千九百七十九
Chinese (financial)
肆萬貳仟玖佰柒拾玖
In other modern scripts
Eastern Arabic ٤٢٩٧٩ Devanagari ४२९७९ Bengali ৪২৯৭৯ Tamil ௪௨௯௭௯ Thai ๔๒๙๗๙ Tibetan ༤༢༩༧༩ Khmer ៤២៩៧៩ Lao ໔໒໙໗໙ Burmese ၄၂၉၇၉

Digit at this position in famous constants

π — Pi (π)
Digit 42,979 = 5
e — Euler's number (e)
Digit 42,979 = 8
φ — Golden ratio (φ)
Digit 42,979 = 4
√2 — Pythagoras's (√2)
Digit 42,979 = 6
ln 2 — Natural log of 2
Digit 42,979 = 1
γ — Euler-Mascheroni (γ)
Digit 42,979 = 5

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 42,967 (gap of 12)
  • Next prime: 42,989 (gap of 10)
Hex color
#00A7E3
RGB(0, 167, 227)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.227.

Address
0.0.167.227
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.167.227

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

Position in π

The digit sequence 42979 first appears in π at position 25,248 of the decimal expansion (the 25,248ordinal-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.