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Number

2,137

2,137 is a prime, odd.

Arithmetic Number Cousin Prime Deficient Number Odious Number Pernicious Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
13
Digit product
42
Digital root
4
Palindrome
No
Bit width
12 bits
Reversed
7,312
Recamán's sequence
a(3,477) = 2,137
Square (n²)
4,566,769
Cube (n³)
9,759,185,353
Divisor count
2
σ(n) — sum of divisors
2,138
φ(n) — Euler's totient
2,136

Primality

2,137 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 2137
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 2,137)
1 × 2137
First multiples
2,137 · 4,274 (double) · 6,411 · 8,548 · 10,685 · 12,822 · 14,959 · 17,096 · 19,233 · 21,370

Sums & aliquot sequence

As a sum of two squares: 29² + 36²
As consecutive integers: 1,068 + 1,069

Representations

In words
two thousand one hundred thirty-seven
Ordinal
2137th
Roman numeral
MMCXXXVII
Binary
100001011001
Octal
4131
Hexadecimal
0x859
Base64
CFk=
One's complement
63,398 (16-bit)
In other bases
ternary (3) 2221011
quaternary (4) 201121
quinary (5) 32022
senary (6) 13521
septenary (7) 6142
nonary (9) 2834
undecimal (11) 1673
duodecimal (12) 12a1
tridecimal (13) c85
tetradecimal (14) ac9
pentadecimal (15) 977

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵βρλζʹ
Mayan (base 20)
𝋥·𝋦·𝋱
Chinese
二千一百三十七
Chinese (financial)
貳仟壹佰參拾柒
In other modern scripts
Eastern Arabic ٢١٣٧ Devanagari २१३७ Bengali ২১৩৭ Tamil ௨௧௩௭ Thai ๒๑๓๗ Tibetan ༢༡༣༧ Khmer ២១៣៧ Lao ໒໑໓໗ Burmese ၂၁၃၇

Digit at this position in famous constants

π — Pi (π)
Digit 2,137 = 0
e — Euler's number (e)
Digit 2,137 = 2
φ — Golden ratio (φ)
Digit 2,137 = 0
√2 — Pythagoras's (√2)
Digit 2,137 = 2
ln 2 — Natural log of 2
Digit 2,137 = 2
γ — Euler-Mascheroni (γ)
Digit 2,137 = 6

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 2,131 (gap of 6)
  • Next prime: 2,141 (gap of 4)

Pair status: cousin with 2141, sexy with 2131.

Unicode codepoint
Mandaic Affrication Mark
U+0859
Non-spacing mark (Mn)

UTF-8 encoding: E0 A1 99 (3 bytes).

Hex color
#000859
RGB(0, 8, 89)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.89.

Address
0.0.8.89
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.8.89

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

Position in π

The digit sequence 2137 first appears in π at position 3,042 of the decimal expansion (the 3,042ordinal-suffix:nd 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.