Properties of the Number 68947

Sixty-Eight Thousand Nine Hundred Forty-Seven

Basics

Value: 68946 → 68947 → 68948

Parity: odd

Prime: Yes

Previous Prime: 68927

Next Prime: 68963

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 68947

Divisors: 1, 68947

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110101010011

Octal: 206523

Duodecimal: 33A97

Hexadecimal: 10d53

Square: 4753688809

Square Root: 262.57760757536045

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

Seventh term of weak prime septet: p(m-5)-p(m-6) < p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1). A54840

Primes of the form f(k) = 9·k⁶ - 804·k⁵ + 29836·k⁴ - 588615·k³ + 6509950·k² - 38263500·k + 93363947 for values of k >= 0. A117624

Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1). A54833

Primes of the form x³ + y³ - 1, where·and y are primes. A217718

Primes of the form 25·n² + 25·n + 47. A281437

The five digits of a(n) and their four successive absolute first differences are all distinct. A365257

a(n) = ∑_i=1..q-1 d(i)ⁱ where d(i) are the q sorted divisors of A376222(n). A376223

Square roots of A068809. A68947