Properties of the Number 70409

Seventy Thousand Four Hundred Nine

Basics

Value: 70408 → 70409 → 70410

Parity: odd

Prime: No

Previous Prime: 70393

Next Prime: 70423

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 181 × 389

Divisors: 1, 181, 389, 70409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001100001001

Octal: 211411

Duodecimal: 348B5

Hexadecimal: 11309

Square: 4957427281

Square Root: 265.34694269955327

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 unlabeled 3-element intersecting families (with distinct sets) of an n-element set. A55485

a(n) = 1 + ∑_i=2..n-1 n·a(i). A131965

a(n) = 7ⁿ mod 23. A70409