Properties of the Number 61369

Sixty-One Thousand Three Hundred Sixty-Nine

Basics

Value: 61368 → 61369 → 61370

Parity: odd

Prime: No

Previous Prime: 61363

Next Prime: 61379

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 11 × 797

Divisors: 1, 7, 11, 77, 797, 5579, 8767, 61369

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111110111001

Octal: 167671

Duodecimal: 2B621

Hexadecimal: efb9

Square: 3766154161

Square Root: 247.7276730605606

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 subsets of {1, 2, ..., n} such that no member is a sum of distinct other members. A151897

Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), m>=0} and then taking partial sums, starting with all 1's in row 0. A136217

Triangle V, read by rows, where column k of V^j+1 = column j of P^3k+2, for j>=0, k>=0 and where P=A136220. A136230

Number of integer compositions of n whose leaders of strictly decreasing runs are strictly increasing. A374762

Matrix square of triangle A136220, read by rows. A136225

Column 0 of P² where triangle P = A136220; also equals column 1 of square array A136217. A136226

Value of A076042 at its n-th low point. A324791

Expansion of 1/(1 - x² - x³/(1 - x⁵ - x⁷/(1 - x¹¹ - x¹³/(1 - ... - x^prime(2·k)/(1 - x^prime(2·k+1) - ...))))), a continued fraction. A292802

Triangle P, read by rows, where column k of P³ equals column 0 of P^3k+3 such that column 0 of P³ equals column 0 of P shift one row up, with P(0,0)=1. A136220

Triangle U, read by rows, where column k of U^j+1 = column j of P^3k+1 for j>=0, k>=0 and P=A136220. A136228