Properties of the Number 71970

Seventy-One Thousand Nine Hundred Seventy

Basics

Value: 71969 → 71970 → 71971

Parity: even

Prime: No

Previous Prime: 71963

Next Prime: 71971

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 2399

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 2399, 4798

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100100100010

Octal: 214442

Duodecimal: 35796

Hexadecimal: 11922

Square: 5179680900

Square Root: 268.2722497762301

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 divisors associated with the cyclic cases within the n-th group of least prime signatures. A79274

Number of 0..7 arrays x(0..n-1) of n elements with each no smaller than the sum of its previous elements modulo 8. A200250

Number of 0..n arrays x(0..6) of 7 elements with each no smaller than the sum of its previous elements modulo (n+1). A200256

T(n,k)=Number of 0..k arrays x(0..n-1) of n elements with each no smaller than the sum of its previous elements modulo (k+1). A200251

List the positive rationals in the order in which they are produced by the Stern sequence A002487 and apply the Sagher map to turn them into integers. A71970