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42,007

42,007 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 Odious Number Pernicious Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
13
Digit product
0
Digital root
4
Palindrome
No
Bit width
16 bits
Reversed
70,024
Recamán's sequence
a(151,609) = 42,007
Square (n²)
1,764,588,049
Cube (n³)
74,125,050,174,343
Divisor count
8
σ(n) — sum of divisors
50,976
φ(n) — Euler's totient
33,792
Sum of prime factors
377

Primality

Prime factorization: 7 × 17 × 353

Nearest primes: 41,999 (−8) · 42,013 (+6)

Divisors & multiples

All divisors (8)
1 · 7 · 17 · 119 · 353 · 2471 · 6001 · 42007
Aliquot sum (sum of proper divisors): 8,969
Factor pairs (a × b = 42,007)
1 × 42007
7 × 6001
17 × 2471
119 × 353
First multiples
42,007 · 84,014 (double) · 126,021 · 168,028 · 210,035 · 252,042 · 294,049 · 336,056 · 378,063 · 420,070

Sums & aliquot sequence

As consecutive integers: 21,003 + 21,004 5,998 + 5,999 + … + 6,004 2,994 + 2,995 + … + 3,007 2,463 + 2,464 + … + 2,479
Aliquot sequence: 42,007 8,969 1 0 — terminates at zero

Representations

In words
forty-two thousand seven
Ordinal
42007th
Binary
1010010000010111
Octal
122027
Hexadecimal
0xA417
Base64
pBc=
One's complement
23,528 (16-bit)
In other bases
ternary (3) 2010121211
quaternary (4) 22100113
quinary (5) 2321012
senary (6) 522251
septenary (7) 233320
nonary (9) 63554
undecimal (11) 29619
duodecimal (12) 20387
tridecimal (13) 16174
tetradecimal (14) 11447
pentadecimal (15) c6a7

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒌋𒌋𒌋𒌋 𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓆼𓆼𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵μβζʹ
Mayan (base 20)
𝋥·𝋥·𝋠·𝋧
Chinese
四萬二千零七
Chinese (financial)
肆萬貳仟零柒
In other modern scripts
Eastern Arabic ٤٢٠٠٧ Devanagari ४२००७ Bengali ৪২০০৭ Tamil ௪௨௦௦௭ Thai ๔๒๐๐๗ Tibetan ༤༢༠༠༧ Khmer ៤២០០៧ Lao ໔໒໐໐໗ Burmese ၄၂၀၀၇

Digit at this position in famous constants

π — Pi (π)
Digit 42,007 = 6
e — Euler's number (e)
Digit 42,007 = 1
φ — Golden ratio (φ)
Digit 42,007 = 0
√2 — Pythagoras's (√2)
Digit 42,007 = 7
ln 2 — Natural log of 2
Digit 42,007 = 9
γ — Euler-Mascheroni (γ)
Digit 42,007 = 8

Also seen as

Unicode codepoint
Yi Syllable Qyr
U+A417
Other letter (Lo)

UTF-8 encoding: EA 90 97 (3 bytes).

Hex color
#00A417
RGB(0, 164, 23)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.23.

Address
0.0.164.23
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.164.23

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

Position in π

The digit sequence 42007 first appears in π at position 2,804 of the decimal expansion (the 2,804ordinal-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.