Properties of the Number 72625

Seventy-Two Thousand Six Hundred Twenty-Five

Basics

Value: 72624 → 72625 → 72626

Parity: odd

Prime: No

Previous Prime: 72623

Next Prime: 72643

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ³ × 7 × 83

Divisors: 1, 5, 7, 25, 35, 83, 125, 175, 415, 581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101110110001

Octal: 215661

Duodecimal: 36041

Hexadecimal: 11bb1

Square: 5274390625

Square Root: 269.4902595642373

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

T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 nXk array. A221035

T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 nXk array. A221499

Majority value maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 n X 3 array. A221030

Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of two or less, with rows and columns of the latter in lexicographically nondecreasing order. A227259

Row 4 of A007754. A58795

Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 6Xn array. A221040

Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 6Xn array. A221503

a(n) = prime(n) mod ceiling(log(prime(n))). A72625