Properties of the Number 70109

Seventy Thousand One Hundred Nine

Basics

Value: 70108 → 70109 → 70110

Parity: odd

Prime: No

Previous Prime: 70099

Next Prime: 70111

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 13 × 5393

Divisors: 1, 13, 5393, 70109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000111011101

Octal: 210735

Duodecimal: 346A5

Hexadecimal: 111dd

Square: 4915271881

Square Root: 264.78104161740885

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 sum-free subsets of {1, ..., n}. A7865

Odd terms of A059756. A111042

The first lower diagonal in square array A137570; equals the convolution of the main diagonal A137571 with the Catalan numbers (A000108) and with the square of A002293. A137573

Number of right integer triangles with perimeter n and relatively prime side lengths. A70109

Square array, read by antidiagonals, where row n+1 equals the partial sums of the previous row after removing the terms in positions {n, n+1} from row n for n>=0, with row 0 equal to all 1's. A137570