Properties of the Number 69997

Sixty-Nine Thousand Nine Hundred Ninety-Seven

Basics

Value: 69996 → 69997 → 69998

Parity: odd

Prime: Yes

Previous Prime: 69991

Next Prime: 70001

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 69997

Divisors: 1, 69997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000101101101

Octal: 210555

Duodecimal: 34611

Hexadecimal: 1116d

Square: 4899580009

Square Root: 264.5694615786183

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

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[4,2,6]; short d-string notation of pattern = [426]. A78850

Primes having only {6, 7, 9} as digits. A261184

Primes with integer arithmetic mean of digits = 8 in base 10. A285228

Primes with digit sum = 40. A106773

Primes containing 999 as a substring. A167292

Square array read by antidiagonals upwards: M(n,k) is the initial occurrence of first prime p1 of consecutive primes p1, p2, where p2 - p1 = 2·k, and p1, p2 span a multiple of 10ⁿ, n>=1, k>=1. A287050

a(n) = (2·5ⁿ-(4ⁿ-2ⁿ))/2. A83315

Primes p such that p - d and p + d are also primes, where d is the smallest nonzero digit of p. A245878

Primes of the form 7n² - 3. A201849

Primes p such that 11·p is the concatenation of an emirp and its reverse. A345905