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42,127

42,127 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 Decagonal Deficient Number Evil Number Recamán's Sequence Self Number Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
16
Digit product
112
Digital root
7
Palindrome
No
Bit width
16 bits
Reversed
72,124
Recamán's sequence
a(151,369) = 42,127
Square (n²)
1,774,684,129
Cube (n³)
74,762,118,302,383
Divisor count
4
σ(n) — sum of divisors
42,640
φ(n) — Euler's totient
41,616
Sum of prime factors
512

Primality

Prime factorization: 103 × 409

Nearest primes: 42,101 (−26) · 42,131 (+4)

Divisors & multiples

All divisors (4)
1 · 103 · 409 · 42127
Aliquot sum (sum of proper divisors): 513
Factor pairs (a × b = 42,127)
1 × 42127
103 × 409
First multiples
42,127 · 84,254 (double) · 126,381 · 168,508 · 210,635 · 252,762 · 294,889 · 337,016 · 379,143 · 421,270

Sums & aliquot sequence

As consecutive integers: 21,063 + 21,064 358 + 359 + … + 460 102 + 103 + … + 307
Aliquot sequence: 42,127 513 287 49 8 7 1 0 — terminates at zero

Representations

In words
forty-two thousand one hundred twenty-seven
Ordinal
42127th
Binary
1010010010001111
Octal
122217
Hexadecimal
0xA48F
Base64
pI8=
One's complement
23,408 (16-bit)
In other bases
ternary (3) 2010210021
quaternary (4) 22102033
quinary (5) 2322002
senary (6) 523011
septenary (7) 233551
nonary (9) 63707
undecimal (11) 29718
duodecimal (12) 20467
tridecimal (13) 16237
tetradecimal (14) 114d1
pentadecimal (15) c737

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβρκζʹ
Mayan (base 20)
𝋥·𝋥·𝋦·𝋧
Chinese
四萬二千一百二十七
Chinese (financial)
肆萬貳仟壹佰貳拾柒
In other modern scripts
Eastern Arabic ٤٢١٢٧ Devanagari ४२१२७ Bengali ৪২১২৭ Tamil ௪௨௧௨௭ Thai ๔๒๑๒๗ Tibetan ༤༢༡༢༧ Khmer ៤២១២៧ Lao ໔໒໑໒໗ Burmese ၄၂၁၂၇

Digit at this position in famous constants

π — Pi (π)
Digit 42,127 = 1
e — Euler's number (e)
Digit 42,127 = 0
φ — Golden ratio (φ)
Digit 42,127 = 9
√2 — Pythagoras's (√2)
Digit 42,127 = 0
ln 2 — Natural log of 2
Digit 42,127 = 4
γ — Euler-Mascheroni (γ)
Digit 42,127 = 3

Also seen as

Hex color
#00A48F
RGB(0, 164, 143)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.143.

Address
0.0.164.143
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.143

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

Position in π

The digit sequence 42127 first appears in π at position 83,726 of the decimal expansion (the 83,726ordinal-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.