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Properties of the Number 69984

Sixty-Nine Thousand Nine Hundred Eighty-Four

Basics

Value: 69983 → 69984 → 69985

Parity: even

Prime: No

Previous Prime: 69959

Next Prime: 69991

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 5 × 3 7

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001000101100000

Octal: 210540

Duodecimal: 34600

Hexadecimal: 11160

Square: 4897760256

Square Root: 264.5448922205832

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having the maximum of some three terms equal to the minimum of the remaining four terms. A250373
T(n,k)=Number of nXk 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once. A269214
T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275266
T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,1) and new values introduced in order 0..2. A275401
Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 10. A195069
T(n,k)=Number of nXk 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224310
T(n,k)=Number of nXk 0..2 arrays with rows unimodal and antidiagonals nondecreasing. A224374
T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,0) or (-1,-1) and new values introduced in order 0..2. A275504
Numbers of form 6i*9j, with i, j >= 0. A25628
Numbers m such that m divides (product of digits of m) * (sum of digits of m). A49101