Properties of the Number 70220

Seventy Thousand Two Hundred Twenty

Basics

Value: 70219 → 70220 → 70221

Parity: even

Prime: No

Previous Prime: 70207

Next Prime: 70223

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 3511

Divisors: 1, 2, 4, 5, 10, 20, 3511, 7022, 14044, 17555

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10001001001001100

Octal: 211114

Duodecimal: 34778

Hexadecimal: 1124c

Square: 4930848400

Square Root: 264.990565869806

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 T(n,k) of sets of exactly k nonempty words with a total of n letters over n-ary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter; triangle T(n,k), n>=0, read by rows. A293815

T(n,k)=Number of nXk 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A279709

Number of 5Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A279712

Number of sets of exactly three nonempty words with a total of n letters over n-ary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter. A293965

Number of nX7 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A279708

Primes of the form n (written in base 10) followed by n 1's. A70220