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Number

25,841

25,841 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Evil Number Prime Pythagorean Prime Recamán's Sequence Sexy Prime Sophie Germain Prime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
20
Digit product
320
Digital root
2
Palindrome
No
Bit width
15 bits
Reversed
14,852
Recamán's sequence
a(165,109) = 25,841
Square (n²)
667,757,281
Cube (n³)
17,255,515,898,321
Divisor count
2
σ(n) — sum of divisors
25,842
φ(n) — Euler's totient
25,840

Primality

25,841 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 25841
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 25,841)
1 × 25841
First multiples
25,841 · 51,682 (double) · 77,523 · 103,364 · 129,205 · 155,046 · 180,887 · 206,728 · 232,569 · 258,410

Sums & aliquot sequence

As a sum of two squares: 79² + 140²
As consecutive integers: 12,920 + 12,921

Representations

In words
twenty-five thousand eight hundred forty-one
Ordinal
25841st
Binary
110010011110001
Octal
62361
Hexadecimal
0x64F1
Base64
ZPE=
One's complement
39,694 (16-bit)
In other bases
ternary (3) 1022110002
quaternary (4) 12103301
quinary (5) 1311331
senary (6) 315345
septenary (7) 135224
nonary (9) 38402
undecimal (11) 18462
duodecimal (12) 12b55
tridecimal (13) b9ba
tetradecimal (14) 95bb
pentadecimal (15) 79cb

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
Greek (Milesian)
͵κεωμαʹ
Mayan (base 20)
𝋣·𝋤·𝋬·𝋡
Chinese
二萬五千八百四十一
Chinese (financial)
貳萬伍仟捌佰肆拾壹
In other modern scripts
Eastern Arabic ٢٥٨٤١ Devanagari २५८४१ Bengali ২৫৮৪১ Tamil ௨௫௮௪௧ Thai ๒๕๘๔๑ Tibetan ༢༥༨༤༡ Khmer ២៥៨៤១ Lao ໒໕໘໔໑ Burmese ၂၅၈၄၁

Digit at this position in famous constants

π — Pi (π)
Digit 25,841 = 3
e — Euler's number (e)
Digit 25,841 = 4
φ — Golden ratio (φ)
Digit 25,841 = 9
√2 — Pythagoras's (√2)
Digit 25,841 = 4
ln 2 — Natural log of 2
Digit 25,841 = 7
γ — Euler-Mascheroni (γ)
Digit 25,841 = 1

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 25,819 (gap of 22)
  • Next prime: 25,847 (gap of 6)

Pair status: sexy with 25847.

Unicode codepoint
CJK Unified Ideograph-64F1
U+64F1
Other letter (Lo)

UTF-8 encoding: E6 93 B1 (3 bytes).

Hex color
#0064F1
RGB(0, 100, 241)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.100.241.

Address
0.0.100.241
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.100.241

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

Position in π

The digit sequence 25841 first appears in π at position 78,500 of the decimal expansion (the 78,500ordinal-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.