Properties of the Number 15169

Fifteen Thousand One Hundred Sixty-Nine

Basics

Value: 15168 → 15169 → 15170

Parity: odd

Prime: No

Previous Prime: 15161

Next Prime: 15173

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 11 × 197

Divisors: 1, 7, 11, 77, 197, 1379, 2167, 15169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101101000001

Octal: 35501

Duodecimal: 8941

Hexadecimal: 3b41

Square: 230098561

Square Root: 123.16249429107873

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

Stack polyominoes with square core. A188674

Power ceiling-floor sequence of (golden ratio)⁴. A214992

Two-column table read by rows: Primitive distinct pairs that have the same value of φ, σ, and τ. A322688

Number of distinct bags of distinct sequences of 1s and 2s such that the sum of all terms is n. A200544

a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62]. A178876

a(n) = (1/720)*n*(n - 10)*(n - 1)*(n³ - 34·n² + 181·n - 144). A319932

Partial sums of A001935; at one time this was conjectured to agree with A007478. A14605

Expansion of (1 + 9·x) / (1 - 2·x - 11·x²). A328606

Numerators of the partial sums of the reciprocals of the sum of bi-unitary divisors function (A188999). A379615

Expansion of ∏_k>=1 (1 - x^k)²². A10828