Properties of the Number 84961

Eighty-Four Thousand Nine Hundred Sixty-One

Basics

Value: 84960 → 84961 → 84962

Parity: odd

Prime: Yes

Previous Prime: 84947

Next Prime: 84967

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 84961

Divisors: 1, 84961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101111100001

Octal: 245741

Duodecimal: 41201

Hexadecimal: 14be1

Square: 7218371521

Square Root: 291.48070262025925

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

Primes of form n² + 6561. A256837

Greatest prime factor of n¹⁰+1. A240553

Number of 2 X 2 matrices with all terms in {0,1,...,n} and even determinant. A210369

a(n) = ∑_k=1..n floor(n/k)^k. A345176

Primes of the form 6·k² - 5. A201791

Primes which become squares when the digits are rotated once to the right. A234925

a(0)=0, a(1)=1, a(n) = min{5 a(k) + (5^n-k-1)/4, k=0..(n-1)} for n>=2. A259669

a(n) = gpf(1 + ∏_k=0..4 prime(n+k)), where gpf is greatest prime factor and prime(i) is the i-th prime. A261210

Primes containing nonprime digits (from 1 to 9) in their decimal expansion and whose digits are distinct, i.e., consisting of only digits 1, 4, 6, 8, 9. A323391

Initial prime of the first prime chain of length n under the iteration x->6x+5. A84961