Number
61,001
61,001 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 10,016
- Flips to (rotate 180°)
- 10,019
- Recamán's sequence
- a(27,798) = 61,001
- Square (n²)
- 3,721,122,001
- Cube (n³)
- 226,992,163,183,001
- Divisor count
- 2
- σ(n) — sum of divisors
- 61,002
- φ(n) — Euler's totient
- 61,000
Primality
61,001 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
61,001
·
122,002
(double)
·
183,003
·
244,004
·
305,005
·
366,006
·
427,007
·
488,008
·
549,009
·
610,010
Sums & aliquot sequence
As a sum of two squares:
76² + 235²
As consecutive integers:
30,500 + 30,501
Representations
- In words
- sixty-one thousand one
- Ordinal
- 61001st
- Binary
- 1110111001001001
- Octal
- 167111
- Hexadecimal
- 0xEE49
- Base64
- 7kk=
- One's complement
- 4,534 (16-bit)
In other bases
ternary (3)
10002200022
quaternary (4)
32321021
quinary (5)
3423001
senary (6)
1150225
septenary (7)
342563
nonary (9)
102608
undecimal (11)
41916
duodecimal (12)
2b375
tridecimal (13)
219c5
tetradecimal (14)
18333
pentadecimal (15)
1311b
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓏺
- Greek (Milesian)
- ͵ξααʹ
- Mayan (base 20)
- 𝋧·𝋬·𝋪·𝋡
- Chinese
- 六萬一千零一
- Chinese (financial)
- 陸萬壹仟零壹
In other modern scripts
Eastern Arabic
٦١٠٠١
Devanagari
६१००१
Bengali
৬১০০১
Tamil
௬௧௦௦௧
Thai
๖๑๐๐๑
Tibetan
༦༡༠༠༡
Khmer
៦១០០១
Lao
໖໑໐໐໑
Burmese
၆၁၀၀၁
Digit at this position in famous constants
- π — Pi (π)
- Digit 61,001 = 6
- e — Euler's number (e)
- Digit 61,001 = 7
- φ — Golden ratio (φ)
- Digit 61,001 = 7
- √2 — Pythagoras's (√2)
- Digit 61,001 = 9
- ln 2 — Natural log of 2
- Digit 61,001 = 8
- γ — Euler-Mascheroni (γ)
- Digit 61,001 = 8
Also seen as
Prime neighborhood
Hex color
#00EE49
RGB(0, 238, 73)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.238.73.
- Address
- 0.0.238.73
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.238.73
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 61001 first appears in π at position 41,630 of the decimal expansion (the 41,630ordinal-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.