Properties of the Number 70221

Seventy Thousand Two Hundred Twenty-One

Basics

Value: 70220 → 70221 → 70222

Parity: odd

Prime: No

Previous Prime: 70207

Next Prime: 70223

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 89 × 263

Divisors: 1, 3, 89, 263, 267, 789, 23407, 70221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001001001101

Octal: 211115

Duodecimal: 34779

Hexadecimal: 1124d

Square: 4930988841

Square Root: 264.99245272271435

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

Numbers k which divide the sum of the Fibonacci numbers F(1) through F(k) and such that k is not a multiple of 24. A124456

Odd integers m that divide the sum of the first m nonzero Fibonacci numbers. A331976

Number of partitions of 1/n into 4 reciprocals of positive integers. A20327

Number of partitions of n with rank a multiple of 4. A363233

a(n) = 100·n² + 100·n + 21. A152161

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 1, -1), (1, -1, 0), (1, 1, 1)}. A149602

Numbers k such that the sum of iterations of the alternating sum of divisors function A071324 starting from k is equal to 2·k. A333263

Primes p such that 2·p + 11 is a square. A269784

a(n)=LPF(n+1)-LPF(n), where LPF(n) denotes the largest prime factor of n. A70221