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6,987

6,987 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 Evil Number Happy Number Recamán's Sequence Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
30
Digit product
3,024
Digital root
3
Palindrome
No
Bit width
13 bits
Reversed
7,896
Recamán's sequence
a(177,037) = 6,987
Square (n²)
48,818,169
Cube (n³)
341,092,546,803
Divisor count
8
σ(n) — sum of divisors
9,936
φ(n) — Euler's totient
4,352
Sum of prime factors
157

Primality

Prime factorization: 3 × 17 × 137

Nearest primes: 6,983 (−4) · 6,991 (+4)

Divisors & multiples

All divisors (8)
1 · 3 · 17 · 51 · 137 · 411 · 2329 · 6987
Aliquot sum (sum of proper divisors): 2,949
Factor pairs (a × b = 6,987)
1 × 6987
3 × 2329
17 × 411
51 × 137
First multiples
6,987 · 13,974 (double) · 20,961 · 27,948 · 34,935 · 41,922 · 48,909 · 55,896 · 62,883 · 69,870

Sums & aliquot sequence

As consecutive integers: 3,493 + 3,494 2,328 + 2,329 + 2,330 1,162 + 1,163 + 1,164 + 1,165 + 1,166 + 1,167 403 + 404 + … + 419
Aliquot sequence: 6,987 2,949 987 549 257 1 0 — terminates at zero

Representations

In words
six thousand nine hundred eighty-seven
Ordinal
6987th
Binary
1101101001011
Octal
15513
Hexadecimal
0x1B4B
Base64
G0s=
One's complement
58,548 (16-bit)
In other bases
ternary (3) 100120210
quaternary (4) 1231023
quinary (5) 210422
senary (6) 52203
septenary (7) 26241
nonary (9) 10523
undecimal (11) 5282
duodecimal (12) 4063
tridecimal (13) 3246
tetradecimal (14) 2791
pentadecimal (15) 210c

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ϛϡπζʹ
Mayan (base 20)
𝋱·𝋩·𝋧
Chinese
六千九百八十七
Chinese (financial)
陸仟玖佰捌拾柒
In other modern scripts
Eastern Arabic ٦٩٨٧ Devanagari ६९८७ Bengali ৬৯৮৭ Tamil ௬௯௮௭ Thai ๖๙๘๗ Tibetan ༦༩༨༧ Khmer ៦៩៨៧ Lao ໖໙໘໗ Burmese ၆၉၈၇

Digit at this position in famous constants

π — Pi (π)
Digit 6,987 = 2
e — Euler's number (e)
Digit 6,987 = 3
φ — Golden ratio (φ)
Digit 6,987 = 1
√2 — Pythagoras's (√2)
Digit 6,987 = 0
ln 2 — Natural log of 2
Digit 6,987 = 7
γ — Euler-Mascheroni (γ)
Digit 6,987 = 7

Also seen as

Unicode codepoint
Balinese Letter Asyura Sasak
U+1B4B
Other letter (Lo)

UTF-8 encoding: E1 AD 8B (3 bytes).

Hex color
#001B4B
RGB(0, 27, 75)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.27.75.

Address
0.0.27.75
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.27.75

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

Position in π

The digit sequence 6987 first appears in π at position 40,046 of the decimal expansion (the 40,046ordinal-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.