Properties of the Number 28970

Twenty-Eight Thousand Nine Hundred Seventy

Basics

Value: 28969 → 28970 → 28971

Parity: even

Prime: No

Previous Prime: 28961

Next Prime: 28979

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 2897

Divisors: 1, 2, 5, 10, 2897, 5794, 14485, 28970

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111000100101010

Octal: 70452

Duodecimal: 14922

Hexadecimal: 712a

Square: 839260900

Square Root: 170.20575783445165

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

24 'Reverse and Add' steps are needed to reach a palindrome. A65318

Number of integer partitions of n whose rounded-down mean is 2. A363745

Trajectory of 1 under map n->21n+1 if n odd, n->n/2 if n even. A33967

Trajectory of 3 under map n->21·n+1 if n odd, n->n/2 if n even. A37108

Numbers represented by quadratic form with Gram matrix [ 3, 1, 1; 1, 3, 1; 1, 1, 3 ]. A28970