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Number

16,139

16,139 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Prime Recamán's Sequence Safe Prime Self Number Squarefree Twin Prime

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digit product
162
Digital root
2
Palindrome
No
Bit width
14 bits
Reversed
93,161
Recamán's sequence
a(6,054) = 16,139
Square (n²)
260,467,321
Cube (n³)
4,203,682,093,619
Divisor count
2
σ(n) — sum of divisors
16,140
φ(n) — Euler's totient
16,138

Primality

16,139 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 16139
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 16,139)
1 × 16139
First multiples
16,139 · 32,278 (double) · 48,417 · 64,556 · 80,695 · 96,834 · 112,973 · 129,112 · 145,251 · 161,390

Sums & aliquot sequence

As consecutive integers: 8,069 + 8,070

Representations

In words
sixteen thousand one hundred thirty-nine
Ordinal
16139th
Binary
11111100001011
Octal
37413
Hexadecimal
0x3F0B
Base64
Pws=
One's complement
49,396 (16-bit)
In other bases
ternary (3) 211010202
quaternary (4) 3330023
quinary (5) 1004024
senary (6) 202415
septenary (7) 65024
nonary (9) 24122
undecimal (11) 11142
duodecimal (12) 940b
tridecimal (13) 7466
tetradecimal (14) 5c4b
pentadecimal (15) 4bae

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιϛρλθʹ
Mayan (base 20)
𝋢·𝋠·𝋦·𝋳
Chinese
一萬六千一百三十九
Chinese (financial)
壹萬陸仟壹佰參拾玖
In other modern scripts
Eastern Arabic ١٦١٣٩ Devanagari १६१३९ Bengali ১৬১৩৯ Tamil ௧௬௧௩௯ Thai ๑๖๑๓๙ Tibetan ༡༦༡༣༩ Khmer ១៦១៣៩ Lao ໑໖໑໓໙ Burmese ၁၆၁၃၉

Digit at this position in famous constants

π — Pi (π)
Digit 16,139 = 0
e — Euler's number (e)
Digit 16,139 = 4
φ — Golden ratio (φ)
Digit 16,139 = 2
√2 — Pythagoras's (√2)
Digit 16,139 = 6
ln 2 — Natural log of 2
Digit 16,139 = 0
γ — Euler-Mascheroni (γ)
Digit 16,139 = 9

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 16,127 (gap of 12)
  • Next prime: 16,141 (gap of 2)

Pair status: twin with 16141.

Unicode codepoint
CJK Unified Ideograph-3F0B
U+3F0B
Other letter (Lo)

UTF-8 encoding: E3 BC 8B (3 bytes).

Hex color
#003F0B
RGB(0, 63, 11)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.63.11.

Address
0.0.63.11
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.63.11

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

Position in π

The digit sequence 16139 first appears in π at position 218,795 of the decimal expansion (the 218,795ordinal-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.