Properties of the Number 61600

Sixty-One Thousand Six Hundred

Basics

Value: 61599 → 61600 → 61601

Parity: even

Prime: No

Previous Prime: 61583

Next Prime: 61603

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 5 ² × 7 × 11

Divisors: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000010100000

Octal: 170240

Duodecimal: 2B794

Hexadecimal: f0a0

Square: 3794560000

Square Root: 248.19347291981714

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of reversible strings with n-1 beads of 2 colors. 4 beads are black. String is not palindromic. A32091

Lesser of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = ψ(n) - n and ψ(n) = A001615(n) is the Dedekind ψ function. A323329

Long leg B of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q²-p², c=q²+p², b=2·p*q, s=a+b+c, s-+1 are primes. A155174

a(n) is least k such that k and 2k are anagrams in base n (written in base 10). A23094

Expansion of exp( ∑_n>=1 -σ(8·n)*xⁿ/n ) in powers of x. A283168

Triangle T, read by rows, where T(n,k) = A008544(n-k)*C(n,k) where A008544 equals the triple factorials in column 0. A136216

a(n) = n!/d where d is the maximum divisor of n! with equal prime exponents. A336619

Numbers that cannot be expressed as sum of at most nine repdigits numbers. One may not add two integers with the same repeated digit. A339673

a(0)=1; a(n) = sigma₁(n) + sigma₃(n). A92345

Denominator of Laguerre(n, -3). A160614