Properties of the Number 73405

Seventy-Three Thousand Four Hundred Five

Basics

Value: 73404 → 73405 → 73406

Parity: odd

Prime: No

Previous Prime: 73387

Next Prime: 73417

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 53 × 277

Divisors: 1, 5, 53, 265, 277, 1385, 14681, 73405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001111010111101

Octal: 217275

Duodecimal: 36591

Hexadecimal: 11ebd

Square: 5388294025

Square Root: 270.9335711941213

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

Triangle read by rows: T(n,k) is the number of unlabeled connected weakly graded (ranked) posets with n elements and rank k. A361954

Number of n X 4 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically. A207415

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically. A207419

Coefficient triangle of polynomials (rising powers) related to convolutions of A002605(n), n >= 0, (generalized (2,2)-Fibonacci). Companion triangle is A073406. A73405