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16,397

16,397 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 Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
26
Digit product
1,134
Digital root
8
Palindrome
No
Bit width
15 bits
Reversed
79,361
Recamán's sequence
a(17,918) = 16,397
Square (n²)
268,861,609
Cube (n³)
4,408,523,802,773
Divisor count
4
σ(n) — sum of divisors
17,280
φ(n) — Euler's totient
15,516
Sum of prime factors
882

Primality

Prime factorization: 19 × 863

Nearest primes: 16,381 (−16) · 16,411 (+14)

Divisors & multiples

All divisors (4)
1 · 19 · 863 · 16397
Aliquot sum (sum of proper divisors): 883
Factor pairs (a × b = 16,397)
1 × 16397
19 × 863
First multiples
16,397 · 32,794 (double) · 49,191 · 65,588 · 81,985 · 98,382 · 114,779 · 131,176 · 147,573 · 163,970

Sums & aliquot sequence

As consecutive integers: 8,198 + 8,199 854 + 855 + … + 872 413 + 414 + … + 450
Aliquot sequence: 16,397 883 1 0 — terminates at zero

Representations

In words
sixteen thousand three hundred ninety-seven
Ordinal
16397th
Binary
100000000001101
Octal
40015
Hexadecimal
0x400D
Base64
QA0=
One's complement
49,138 (16-bit)
In other bases
ternary (3) 211111022
quaternary (4) 10000031
quinary (5) 1011042
senary (6) 203525
septenary (7) 65543
nonary (9) 24438
undecimal (11) 11357
duodecimal (12) 95a5
tridecimal (13) 7604
tetradecimal (14) 5d93
pentadecimal (15) 4cd2

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιϛτϟζʹ
Mayan (base 20)
𝋢·𝋠·𝋳·𝋱
Chinese
一萬六千三百九十七
Chinese (financial)
壹萬陸仟參佰玖拾柒
In other modern scripts
Eastern Arabic ١٦٣٩٧ Devanagari १६३९७ Bengali ১৬৩৯৭ Tamil ௧௬௩௯௭ Thai ๑๖๓๙๗ Tibetan ༡༦༣༩༧ Khmer ១៦៣៩៧ Lao ໑໖໓໙໗ Burmese ၁၆၃၉၇

Digit at this position in famous constants

π — Pi (π)
Digit 16,397 = 8
e — Euler's number (e)
Digit 16,397 = 0
φ — Golden ratio (φ)
Digit 16,397 = 7
√2 — Pythagoras's (√2)
Digit 16,397 = 0
ln 2 — Natural log of 2
Digit 16,397 = 3
γ — Euler-Mascheroni (γ)
Digit 16,397 = 1

Also seen as

Unicode codepoint
CJK Unified Ideograph-400D
U+400D
Other letter (Lo)

UTF-8 encoding: E4 80 8D (3 bytes).

Hex color
#00400D
RGB(0, 64, 13)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.64.13.

Address
0.0.64.13
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.64.13

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

Position in π

The digit sequence 16397 first appears in π at position 102,216 of the decimal expansion (the 102,216ordinal-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.