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Number

61,121

61,121 is a prime, odd.

Arithmetic Number Chen Prime Deficient Number Odious Number Prime Pythagorean Prime Recamán's Sequence Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
11
Digit product
12
Digital root
2
Palindrome
No
Bit width
16 bits
Reversed
12,116
Recamán's sequence
a(46,818) = 61,121
Square (n²)
3,735,776,641
Cube (n³)
228,334,404,074,561
Divisor count
2
σ(n) — sum of divisors
61,122
φ(n) — Euler's totient
61,120

Primality

61,121 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 61121
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 61,121)
1 × 61121
First multiples
61,121 · 122,242 (double) · 183,363 · 244,484 · 305,605 · 366,726 · 427,847 · 488,968 · 550,089 · 611,210

Sums & aliquot sequence

As a sum of two squares: 164² + 185²
As consecutive integers: 30,560 + 30,561

Representations

In words
sixty-one thousand one hundred twenty-one
Ordinal
61121st
Binary
1110111011000001
Octal
167301
Hexadecimal
0xEEC1
Base64
7sE=
One's complement
4,414 (16-bit)
In other bases
ternary (3) 10002211202
quaternary (4) 32323001
quinary (5) 3423441
senary (6) 1150545
septenary (7) 343124
nonary (9) 102752
undecimal (11) 41a15
duodecimal (12) 2b455
tridecimal (13) 21a88
tetradecimal (14) 183bb
pentadecimal (15) 1319b

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓏺
Greek (Milesian)
͵ξαρκαʹ
Mayan (base 20)
𝋧·𝋬·𝋰·𝋡
Chinese
六萬一千一百二十一
Chinese (financial)
陸萬壹仟壹佰貳拾壹
In other modern scripts
Eastern Arabic ٦١١٢١ Devanagari ६११२१ Bengali ৬১১২১ Tamil ௬௧௧௨௧ Thai ๖๑๑๒๑ Tibetan ༦༡༡༢༡ Khmer ៦១១២១ Lao ໖໑໑໒໑ Burmese ၆၁၁၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 61,121 = 3
e — Euler's number (e)
Digit 61,121 = 5
φ — Golden ratio (φ)
Digit 61,121 = 7
√2 — Pythagoras's (√2)
Digit 61,121 = 1
ln 2 — Natural log of 2
Digit 61,121 = 0
γ — Euler-Mascheroni (γ)
Digit 61,121 = 3

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 61,099 (gap of 22)
  • Next prime: 61,129 (gap of 8)
Hex color
#00EEC1
RGB(0, 238, 193)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.238.193.

Address
0.0.238.193
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.238.193

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

Position in π

The digit sequence 61121 first appears in π at position 708 of the decimal expansion (the 708ordinal-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.