Live analysis

61,401

61,401 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.).

61,401 (sixty-one thousand four hundred one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 3 × 97 × 211. Written other ways, in hexadecimal, 0xEFD9.

Arithmetic Number Cube-Free Deficient Number Evil Number Recamán's Sequence Sphenic Number Squarefree

Interestingness

★ ★ ★ ☆ ☆

5 notable facts · grade C

61,389 61,390 61,391 61,392 61,393 61,394 61,395 61,396 61,397 61,398 61,399 61,400 61,401 61,402 61,403 61,404 61,405 61,406 61,407 61,408 61,409 61,410 61,411 61,412 61,413

less more

Properties

Parity: Odd
Digit count: 5
Digit sum: 12
Digit product: 0
Digital root: 3
Palindrome: No
Bit width: 16 bits
Reversed: 10,416
Recamán's sequence: a(44,390) = 61,401
Square (n²): 3,770,082,801
Cube (n³): 231,486,854,064,201
Divisor count: 8
σ(n) — sum of divisors: 83,104
φ(n) — Euler's totient: 40,320
Sum of prime factors: 311

Primality

Prime factorization: 3 × 97 × 211

Nearest primes: 61,381 (−20) · 61,403 (+2)

Divisors & multiples

All divisors (8)

1 · 3 · 97 · 211 · 291 · 633 · 20467 · 61401

Aliquot sum (sum of proper divisors): 21,703

Factor pairs (a × b = 61,401)

1 × 61401

3 × 20467

97 × 633

211 × 291

First multiples

61,401 · 122,802 (double) · 184,203 · 245,604 · 307,005 · 368,406 · 429,807 · 491,208 · 552,609 · 614,010

Sums & aliquot sequence

As consecutive integers: 30,700 + 30,701 20,466 + 20,467 + 20,468 10,231 + 10,232 + 10,233 + 10,234 + 10,235 + 10,236 585 + 586 + … + 681

Aliquot sequence: 61,401 → 21,703 → 1,985 → 403 → 45 → 33 → 15 → 9 → 4 → 3 → 1 → 0 — terminates at zero

Continued fraction of √n

√61,401 = [247; (1, 3, 1, 4, 2, 1, 3, 6, 1, 1, 13, 1, 1, 1, 1, 1, 5, 1, 61, 10, 10, 4, 2, 4, …)]

Representations

In words: sixty-one thousand four hundred one
Ordinal: 61401st
Binary: 1110111111011001
Octal: 167731
Hexadecimal: 0xEFD9
Base64: 79k=
One's complement: 4,134 (16-bit)
Scientific notation: 6.1401 × 10⁴
As a duration: 61,401 s = 17 hours, 3 minutes, 21 seconds

In other bases

ternary (3) 10010020010

quaternary (4) 32333121

quinary (5) 3431101

senary (6) 1152133

septenary (7) 344004

nonary (9) 103203

undecimal (11) 4214a

duodecimal (12) 2b649

tridecimal (13) 21c42

tetradecimal (14) 1853b

pentadecimal (15) 132d6

As an angle

61,401° = 170 × 360° + 201°

201° ≈ 3.508 rad

Compass bearing: SSW (south-southwest)

Why does a circle have 360 degrees? →

Historical numeral systems

Babylonian (base 60): 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic: 𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓏺
Greek (Milesian): ͵ξαυαʹ
Mayan (base 20): 𝋧·𝋭·𝋪·𝋡
Chinese: 六萬一千四百零一
Chinese (financial): 陸萬壹仟肆佰零壹

In other modern scripts

Eastern Arabic ٦١٤٠١ Devanagari ६१४०१ Bengali ৬১৪০১ Tamil ௬௧௪௦௧ Thai ๖๑๔๐๑ Tibetan ༦༡༤༠༡ Khmer ៦១៤០១ Lao ໖໑໔໐໑ Burmese ၆၁၄၀၁

Digit at this position in famous constants

π — Pi (π): Digit 61,401 = 5
e — Euler's number (e): Digit 61,401 = 0
φ — Golden ratio (φ): Digit 61,401 = 2
√2 — Pythagoras's (√2): Digit 61,401 = 2
ln 2 — Natural log of 2: Digit 61,401 = 0
γ — Euler-Mascheroni (γ): Digit 61,401 = 0

Also seen as

Hex color

#00EFD9

RGB(0, 239, 217)

IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.239.217.

Address: 0.0.239.217
Class: reserved
IPv4-mapped IPv6: ::ffff:0.0.239.217

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

Position in π

The digit sequence 61401 first appears in π at position 109,789 of the decimal expansion (the 109,789ordinal-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.

Look up 61401 on Pi Search ↗