Properties of the Number 69906

Sixty-Nine Thousand Nine Hundred Six

Basics

Value: 69905 → 69906 → 69907

Parity: even

Prime: No

Previous Prime: 69899

Next Prime: 69911

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 61 × 191

Divisors: 1, 2, 3, 6, 61, 122, 183, 191, 366, 382

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000100010010

Octal: 210422

Duodecimal: 34556

Hexadecimal: 11112

Square: 4886848836

Square Root: 264.39742812667447

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 integer compositions of n that have only one part or whose consecutive parts are indivisible and the last and first part are also indivisible. A318726

Number of distinct quartic residues x⁴ (mod 4ⁿ), x=0..4ⁿ-1. A365103

a(n) = ∑_d∣n φ(d)⁴. A342470

a(n) = ∑_k=0..n binomial(n+4·k,n-k) * Catalan(k). A360103

Number of distinct residues x⁴ (mod 2ⁿ), x=0..2ⁿ-1. A364811

Numbers whose set of base-16 digits is {1,2}. A32936

Numbers whose base-4 representation has exactly 9 runs. A43600

Numbers k such that number of runs in the base 4 representation of k is congruent to 0 mod 9. A43858

Numbers k such that number of runs in the base 4 representation of k is congruent to 9 mod 10. A43876

a(n)=a(n-1)+a(n-2)+a(n-3)+2a(n-4). A139800